7949318615944 has 16 divisors (see below), whose sum is σ = 15072444006300. Its totient is φ = 3930000214272.

The previous prime is 7949318615879. The next prime is 7949318615977. The reversal of 7949318615944 is 4495168139497.

It can be written as a sum of positive squares in 2 ways, for example, as 7947945024100 + 1373591844 = 2819210^2 + 37062^2 .

It is a super-2 number, since 2×7949318615944² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5582385957 + ... + 5582387380.

Almost surely, 2^{7949318615944} is an apocalyptic number.

It is an amenable number.

7949318615944 is a deficient number, since it is larger than the sum of its proper divisors (7123125390356).

7949318615944 is a wasteful number, since it uses less digits than its factorization.

7949318615944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164773432 (or 11164773428 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 70.

The spelling of 7949318615944 in words is "seven trillion, nine hundred forty-nine billion, three hundred eighteen million, six hundred fifteen thousand, nine hundred forty-four".