76475649013 has 16 divisors (see below), whose sum is σ = 81297757296. Its totient is φ = 71689784320.

The previous prime is 76475648993. The next prime is 76475649049. The reversal of 76475649013 is 31094657467.

It can be written as a sum of positive squares in 8 ways, for example, as 3198241809 + 73277407204 = 56553^2 + 270698^2 .

It is a cyclic number.

It is not a de Polignac number, because 76475649013 - 2²⁵ = 76442094581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76475649073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11617383 + ... + 11623963.

It is an arithmetic number, because the mean of its divisors is an integer number (5081109831).

Almost surely, 2^76475649013 is an apocalyptic number.

It is an amenable number.

76475649013 is a deficient number, since it is larger than the sum of its proper divisors (4822108283).

76475649013 is a wasteful number, since it uses less digits than its factorization.

76475649013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 76475649013 in words is "seventy-six billion, four hundred seventy-five million, six hundred forty-nine thousand, thirteen".