8634087613 has 2 divisors, whose sum is σ = 8634087614. Its totient is φ = 8634087612.

The previous prime is 8634087607. The next prime is 8634087641. The reversal of 8634087613 is 3167804368.

8634087613 is digitally balanced in base 3, 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., 8560505529 + 73582084 = 92523^2 + 8578^2 .

It is a cyclic number.

It is not a de Polignac number, because 8634087613 - 2⁹ = 8634087101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8634087113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4317043806 + 4317043807.

It is an arithmetic number, because the mean of its divisors is an integer number (4317043807).

Almost surely, 2^8634087613 is an apocalyptic number.

It is an amenable number.

8634087613 is a deficient number, since it is larger than the sum of its proper divisors (1).

8634087613 is an equidigital number, since it uses as much as digits as its factorization.

8634087613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 8634087613 is about 92919.7912879705. The cubic root of 8634087613 is about 2051.5029718200.

The spelling of 8634087613 in words is "eight billion, six hundred thirty-four million, eighty-seven thousand, six hundred thirteen".