2813163536081 has 2 divisors, whose sum is σ = 2813163536082. Its totient is φ = 2813163536080.

The previous prime is 2813163536039. The next prime is 2813163536143. The reversal of 2813163536081 is 1806353613182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2148449446081 + 664714090000 = 1465759^2 + 815300^2 .

It is a cyclic number.

It is not a de Polignac number, because 2813163536081 - 2¹⁰ = 2813163535057 is a prime.

It is a super-2 number, since 2×2813163536081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2813163136081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406581768040 + 1406581768041.

It is an arithmetic number, because the mean of its divisors is an integer number (1406581768041).

Almost surely, 2^{2813163536081} is an apocalyptic number.

It is an amenable number.

2813163536081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2813163536081 is an equidigital number, since it uses as much as digits as its factorization.

2813163536081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 2813163536081 in words is "two trillion, eight hundred thirteen billion, one hundred sixty-three million, five hundred thirty-six thousand, eighty-one".