2731644307356 has 12 divisors (see below), whose sum is σ = 6373836717192. Its totient is φ = 910548102448.

The previous prime is 2731644307321. The next prime is 2731644307387. The reversal of 2731644307356 is 6537034461372.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2731644307356³ (a number of 38 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2731644307299 and 2731644307308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113818512795 + ... + 113818512818.

It is an arithmetic number, because the mean of its divisors is an integer number (531153059766).

Almost surely, 2^{2731644307356} is an apocalyptic number.

It is an amenable number.

2731644307356 is an abundant number, since it is smaller than the sum of its proper divisors (3642192409836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2731644307356 is a wasteful number, since it uses less digits than its factorization.

2731644307356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227637025620 (or 227637025618 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 51.

The spelling of 2731644307356 in words is "two trillion, seven hundred thirty-one billion, six hundred forty-four million, three hundred seven thousand, three hundred fifty-six".