486764005381 has 4 divisors (see below), whose sum is σ = 486767524012. Its totient is φ = 486760486752.

The previous prime is 486764005327. The next prime is 486764005397. The reversal of 486764005381 is 183500467684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 478621830625 + 8142174756 = 691825^2 + 90234^2 .

It is a cyclic number.

It is not a de Polignac number, because 486764005381 - 2¹³ = 486763997189 is a prime.

It is a super-2 number, since 2×486764005381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486764095381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542936 + ... + 1831441.

It is an arithmetic number, because the mean of its divisors is an integer number (121691881003).

Almost surely, 2^486764005381 is an apocalyptic number.

It is an amenable number.

486764005381 is a deficient number, since it is larger than the sum of its proper divisors (3518631).

486764005381 is a wasteful number, since it uses less digits than its factorization.

486764005381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518630.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 486764005381 in words is "four hundred eighty-six billion, seven hundred sixty-four million, five thousand, three hundred eighty-one".