8609696139 has 16 divisors (see below), whose sum is σ = 12694748544. Its totient is φ = 5146516800.

The previous prime is 8609696131. The next prime is 8609696143. The reversal of 8609696139 is 9316969068.

It is not a de Polignac number, because 8609696139 - 2³ = 8609696131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8609696131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1784577 + ... + 1789394.

It is an arithmetic number, because the mean of its divisors is an integer number (793421784).

Almost surely, 2^8609696139 is an apocalyptic number.

8609696139 is a deficient number, since it is larger than the sum of its proper divisors (4085052405).

8609696139 is a wasteful number, since it uses less digits than its factorization.

8609696139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574058.

The product of its (nonzero) digits is 3779136, while the sum is 57.

The square root of 8609696139 is about 92788.4483058101. The cubic root of 8609696139 is about 2049.5693038477.

The spelling of 8609696139 in words is "eight billion, six hundred nine million, six hundred ninety-six thousand, one hundred thirty-nine".