4376292457681 has 3 divisors (see below), whose sum is σ = 4376294549641. Its totient is φ = 4376290365722.

The previous prime is 4376292457619. The next prime is 4376292457709. The reversal of 4376292457681 is 1867542926734.

The square root of 4376292457681 is 2091959.

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 4376292457681 - 2⁹ = 4376292457169 is a prime.

It is a super-2 number, since 2×4376292457681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4376292427681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1045980 + ... + 3137938.

Almost surely, 2^{4376292457681} is an apocalyptic number.

4376292457681 is the 2091959-th square number.

4376292457681 is the 1045980-th centered octagonal number.

It is an amenable number.

4376292457681 is a deficient number, since it is larger than the sum of its proper divisors (2091960).

4376292457681 is an frugal number, since it uses more digits than its factorization.

4376292457681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183918 (or 2091959 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 64.

Multiplying 4376292457681 by its sum of digits (64), we get a square (280082717291584 = 16735672²).

The spelling of 4376292457681 in words is "four trillion, three hundred seventy-six billion, two hundred ninety-two million, four hundred fifty-seven thousand, six hundred eighty-one".