2797562813 has 2 divisors, whose sum is σ = 2797562814. Its totient is φ = 2797562812.

The previous prime is 2797562783. The next prime is 2797562819. The reversal of 2797562813 is 3182657972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1416920164 + 1380642649 = 37642^2 + 37157^2 .

It is a cyclic number.

It is not a de Polignac number, because 2797562813 - 2⁸ = 2797562557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2797562819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398781406 + 1398781407.

It is an arithmetic number, because the mean of its divisors is an integer number (1398781407).

Almost surely, 2^2797562813 is an apocalyptic number.

It is an amenable number.

2797562813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797562813 is an equidigital number, since it uses as much as digits as its factorization.

2797562813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The square root of 2797562813 is about 52891.9919553045. The cubic root of 2797562813 is about 1409.0506852079.

It can be divided in two parts, 279756 and 2813, that multiplied together give a triangular number (786953628 = T₃₉₆₇₂).

The spelling of 2797562813 in words is "two billion, seven hundred ninety-seven million, five hundred sixty-two thousand, eight hundred thirteen".