2645925629 has 2 divisors, whose sum is σ = 2645925630. Its totient is φ = 2645925628.

The previous prime is 2645925619. The next prime is 2645925637. The reversal of 2645925629 is 9265295462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1423024729 + 1222900900 = 37723^2 + 34970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2645925629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2645925619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322962814 + 1322962815.

It is an arithmetic number, because the mean of its divisors is an integer number (1322962815).

Almost surely, 2^2645925629 is an apocalyptic number.

It is an amenable number.

2645925629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645925629 is an equidigital number, since it uses as much as digits as its factorization.

2645925629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 50.

The square root of 2645925629 is about 51438.5616925668. The cubic root of 2645925629 is about 1383.1179289641.

The spelling of 2645925629 in words is "two billion, six hundred forty-five million, nine hundred twenty-five thousand, six hundred twenty-nine".