16901643859 has 2 divisors, whose sum is σ = 16901643860. Its totient is φ = 16901643858.

The previous prime is 16901643853. The next prime is 16901643893. The reversal of 16901643859 is 95834610961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16901643859 - 2¹¹ = 16901641811 is a prime.

It is not a weakly prime, because it can be changed into another prime (16901643853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8450821929 + 8450821930.

It is an arithmetic number, because the mean of its divisors is an integer number (8450821930).

Almost surely, 2^16901643859 is an apocalyptic number.

16901643859 is a deficient number, since it is larger than the sum of its proper divisors (1).

16901643859 is an equidigital number, since it uses as much as digits as its factorization.

16901643859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 16901643859 in words is "sixteen billion, nine hundred one million, six hundred forty-three thousand, eight hundred fifty-nine".