2610913021 has 2 divisors, whose sum is σ = 2610913022. Its totient is φ = 2610913020.

The previous prime is 2610913009. The next prime is 2610913069. The reversal of 2610913021 is 1203190162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2341592100 + 269320921 = 48390^2 + 16411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2610913021 - 2⁷ = 2610912893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2610973021) 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 as a sum of consecutive naturals, namely, 1305456510 + 1305456511.

It is an arithmetic number, because the mean of its divisors is an integer number (1305456511).

Almost surely, 2^2610913021 is an apocalyptic number.

It is an amenable number.

2610913021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2610913021 is an equidigital number, since it uses as much as digits as its factorization.

2610913021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2610913021 is about 51097.0940563160. The cubic root of 2610913021 is about 1376.9900477219.

The spelling of 2610913021 in words is "two billion, six hundred ten million, nine hundred thirteen thousand, twenty-one".