2800561013 has 2 divisors, whose sum is σ = 2800561014. Its totient is φ = 2800561012.

The previous prime is 2800560949. The next prime is 2800561021. The reversal of 2800561013 is 3101650082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2670098929 + 130462084 = 51673^2 + 11422^2 .

It is a cyclic number.

It is not a de Polignac number, because 2800561013 - 2⁶ = 2800560949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2800561063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400280506 + 1400280507.

It is an arithmetic number, because the mean of its divisors is an integer number (1400280507).

Almost surely, 2^2800561013 is an apocalyptic number.

It is an amenable number.

2800561013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2800561013 is an equidigital number, since it uses as much as digits as its factorization.

2800561013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2800561013 is about 52920.3270303576. The cubic root of 2800561013 is about 1409.5538740840.

The spelling of 2800561013 in words is "two billion, eight hundred million, five hundred sixty-one thousand, thirteen".