7964502681 has 8 divisors (see below), whose sum is σ = 10663770240. Its totient is φ = 5287451792.

The previous prime is 7964502661. The next prime is 7964502709. The reversal of 7964502681 is 1862054697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7964502681 - 2¹⁴ = 7964486297 is a prime.

It is a super-2 number, since 2×7964502681² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7964502681.

It is not an unprimeable number, because it can be changed into a prime (7964502661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5553330 + ... + 5554763.

It is an arithmetic number, because the mean of its divisors is an integer number (1332971280).

Almost surely, 2^7964502681 is an apocalyptic number.

It is an amenable number.

7964502681 is a deficient number, since it is larger than the sum of its proper divisors (2699267559).

7964502681 is a wasteful number, since it uses less digits than its factorization.

7964502681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11108335.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 7964502681 is about 89244.0624411507. The cubic root of 7964502681 is about 1997.0375040589.

The spelling of 7964502681 in words is "seven billion, nine hundred sixty-four million, five hundred two thousand, six hundred eighty-one".