2797314472981 has 12 divisors (see below), whose sum is σ = 3254071695840. Its totient is φ = 2397659200440.

The previous prime is 2797314472969. The next prime is 2797314472991. The reversal of 2797314472981 is 1892744137972.

It is a de Polignac number, because none of the positive numbers 2^k-2797314472981 is a prime.

It is a super-2 number, since 2×2797314472981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797314472991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2821446 + ... + 3681736.

It is an arithmetic number, because the mean of its divisors is an integer number (271172641320).

Almost surely, 2^{2797314472981} is an apocalyptic number.

It is an amenable number.

2797314472981 is a deficient number, since it is larger than the sum of its proper divisors (456757222859).

2797314472981 is an equidigital number, since it uses as much as digits as its factorization.

2797314472981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926664 (or 926657 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 64.

The spelling of 2797314472981 in words is "two trillion, seven hundred ninety-seven billion, three hundred fourteen million, four hundred seventy-two thousand, nine hundred eighty-one".