2639126629 has 2 divisors, whose sum is σ = 2639126630. Its totient is φ = 2639126628.

The previous prime is 2639126603. The next prime is 2639126687. The reversal of 2639126629 is 9266219362.

2639126629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2401196004 + 237930625 = 49002^2 + 15425^2 .

It is a cyclic number.

It is not a de Polignac number, because 2639126629 - 2⁹ = 2639126117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2639126029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319563314 + 1319563315.

It is an arithmetic number, because the mean of its divisors is an integer number (1319563315).

Almost surely, 2^2639126629 is an apocalyptic number.

It is an amenable number.

2639126629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2639126629 is an equidigital number, since it uses as much as digits as its factorization.

2639126629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 46.

The square root of 2639126629 is about 51372.4306316141. The cubic root of 2639126629 is about 1381.9322210297.

The spelling of 2639126629 in words is "two billion, six hundred thirty-nine million, one hundred twenty-six thousand, six hundred twenty-nine".