2634806729 has 2 divisors, whose sum is σ = 2634806730. Its totient is φ = 2634806728.

The previous prime is 2634806723. The next prime is 2634806737. The reversal of 2634806729 is 9276084362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2220765625 + 414041104 = 47125^2 + 20348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2634806729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2634806723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317403364 + 1317403365.

It is an arithmetic number, because the mean of its divisors is an integer number (1317403365).

Almost surely, 2^2634806729 is an apocalyptic number.

It is an amenable number.

2634806729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634806729 is an equidigital number, since it uses as much as digits as its factorization.

2634806729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 2634806729 is about 51330.3684868909. The cubic root of 2634806729 is about 1381.1777960414.

The spelling of 2634806729 in words is "two billion, six hundred thirty-four million, eight hundred six thousand, seven hundred twenty-nine".