870558492659 has 2 divisors, whose sum is σ = 870558492660. Its totient is φ = 870558492658.

The previous prime is 870558492607. The next prime is 870558492673. The reversal of 870558492659 is 956294855078.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870558492659 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (870558497659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435279246329 + 435279246330.

It is an arithmetic number, because the mean of its divisors is an integer number (435279246330).

Almost surely, 2^870558492659 is an apocalyptic number.

870558492659 is a deficient number, since it is larger than the sum of its proper divisors (1).

870558492659 is an equidigital number, since it uses as much as digits as its factorization.

870558492659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728000, while the sum is 68.

The spelling of 870558492659 in words is "eight hundred seventy billion, five hundred fifty-eight million, four hundred ninety-two thousand, six hundred fifty-nine".