7681310531504 has 20 divisors (see below), whose sum is σ = 14882624185464. Its totient is φ = 3840633322368.

The previous prime is 7681310531501. The next prime is 7681310531527. The reversal of 7681310531504 is 4051350131867.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7681310531501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728839 + ... + 4283865.

Almost surely, 2^{7681310531504} is an apocalyptic number.

It is an amenable number.

7681310531504 is a deficient number, since it is larger than the sum of its proper divisors (7201313653960).

7681310531504 is a wasteful number, since it uses less digits than its factorization.

7681310531504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742932 (or 2742926 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 7681310531504 in words is "seven trillion, six hundred eighty-one billion, three hundred ten million, five hundred thirty-one thousand, five hundred four".