2696367331721 has 32 divisors (see below), whose sum is σ = 3158282956800. Its totient is φ = 2301018224400.

The previous prime is 2696367331717. The next prime is 2696367331741. The reversal of 2696367331721 is 1271337636962.

It is not a de Polignac number, because 2696367331721 - 2² = 2696367331717 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2696367331741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142301570 + ... + 142320516.

It is an arithmetic number, because the mean of its divisors is an integer number (98696342400).

Almost surely, 2^{2696367331721} is an apocalyptic number.

It is an amenable number.

2696367331721 is a deficient number, since it is larger than the sum of its proper divisors (461915625079).

2696367331721 is a wasteful number, since it uses less digits than its factorization.

2696367331721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20770 (or 20756 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 56.

The spelling of 2696367331721 in words is "two trillion, six hundred ninety-six billion, three hundred sixty-seven million, three hundred thirty-one thousand, seven hundred twenty-one".