7293512128945 has 24 divisors (see below), whose sum is σ = 10184929061544. Its totient is φ = 4999407872256.

The previous prime is 7293512128913. The next prime is 7293512128951. The reversal of 7293512128945 is 5498212153927.

It can be written as a sum of positive squares in 4 ways, for example, as 186894529969 + 7106617598976 = 432313^2 + 2665824^2 .

It is not a de Polignac number, because 7293512128945 - 2⁵ = 7293512128913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7293512128945.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4867404 + ... + 6186973.

It is an arithmetic number, because the mean of its divisors is an integer number (424372044231).

Almost surely, 2^{7293512128945} is an apocalyptic number.

It is an amenable number.

7293512128945 is a deficient number, since it is larger than the sum of its proper divisors (2891416932599).

7293512128945 is a wasteful number, since it uses less digits than its factorization.

7293512128945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11057089 (or 11057082 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 58.

The spelling of 7293512128945 in words is "seven trillion, two hundred ninety-three billion, five hundred twelve million, one hundred twenty-eight thousand, nine hundred forty-five".