2731713512656 has 20 divisors (see below), whose sum is σ = 5292855564804. Its totient is φ = 1365815302400.

The previous prime is 2731713512651. The next prime is 2731713512677. The reversal of 2731713512656 is 6562153171372.

It can be written as a sum of positive squares in 2 ways, for example, as 2368779559056 + 362933953600 = 1539084^2 + 602440^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731713512651) 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, 2043715 + ... + 3104866.

Almost surely, 2^{2731713512656} is an apocalyptic number.

It is an amenable number.

2731713512656 is a deficient number, since it is larger than the sum of its proper divisors (2561142052148).

2731713512656 is a wasteful number, since it uses less digits than its factorization.

2731713512656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181750 (or 5181744 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 49.

The spelling of 2731713512656 in words is "two trillion, seven hundred thirty-one billion, seven hundred thirteen million, five hundred twelve thousand, six hundred fifty-six".