13870836659 has 2 divisors, whose sum is σ = 13870836660. Its totient is φ = 13870836658.

The previous prime is 13870836643. The next prime is 13870836667. The reversal of 13870836659 is 95663807831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13870836659 - 2⁴ = 13870836643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13870836059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6935418329 + 6935418330.

It is an arithmetic number, because the mean of its divisors is an integer number (6935418330).

Almost surely, 2^13870836659 is an apocalyptic number.

13870836659 is a deficient number, since it is larger than the sum of its proper divisors (1).

13870836659 is an equidigital number, since it uses as much as digits as its factorization.

13870836659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 13870836659 in words is "thirteen billion, eight hundred seventy million, eight hundred thirty-six thousand, six hundred fifty-nine".