7231474587664 has 10 divisors (see below), whose sum is σ = 14010982013630. Its totient is φ = 3615737293824.

The previous prime is 7231474587619. The next prime is 7231474587677. The reversal of 7231474587664 is 4667854741327.

It can be written as a sum of positive squares in only one way, i.e., 6651756810000 + 579717777664 = 2579100^2 + 761392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7231474587596 and 7231474587605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225983580849 + ... + 225983580880.

It is an arithmetic number, because the mean of its divisors is an integer number (1401098201363).

Almost surely, 2^{7231474587664} is an apocalyptic number.

It is an amenable number.

7231474587664 is a deficient number, since it is larger than the sum of its proper divisors (6779507425966).

7231474587664 is a wasteful number, since it uses less digits than its factorization.

7231474587664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451967161737 (or 451967161731 counting only the distinct ones).

The product of its digits is 189665280, while the sum is 64.

The spelling of 7231474587664 in words is "seven trillion, two hundred thirty-one billion, four hundred seventy-four million, five hundred eighty-seven thousand, six hundred sixty-four".