317764814269681 has 3 divisors (see below), whose sum is σ = 317764832095641. Its totient is φ = 317764796443722.

The previous prime is 317764814269667. The next prime is 317764814269697. The reversal of 317764814269681 is 186962418467713.

The square root of 317764814269681 is 17825959.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 317764814269681 - 2²¹ = 317764812172529 is a prime.

It is a super-4 number, since 4×317764814269681⁴ (a number of 59 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317764814269601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8912980 + ... + 26738938.

It is an arithmetic number, because the mean of its divisors is an integer number (105921610698547).

Almost surely, 2^{317764814269681} is an apocalyptic number.

317764814269681 is the 17825959-th square number.

317764814269681 is the 8912980-th centered octagonal number.

It is an amenable number.

317764814269681 is a deficient number, since it is larger than the sum of its proper divisors (17825960).

317764814269681 is an frugal number, since it uses more digits than its factorization.

317764814269681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35651918 (or 17825959 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 73.

It can be divided in two parts, 3177648 and 14269681, that added together give a square (17447329 = 4177²).

The spelling of 317764814269681 in words is "three hundred seventeen trillion, seven hundred sixty-four billion, eight hundred fourteen million, two hundred sixty-nine thousand, six hundred eighty-one".