18962012159 has 2 divisors, whose sum is σ = 18962012160. Its totient is φ = 18962012158.

The previous prime is 18962012131. The next prime is 18962012227. The reversal of 18962012159 is 95121026981.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18962012159 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18962012129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9481006079 + 9481006080.

It is an arithmetic number, because the mean of its divisors is an integer number (9481006080).

Almost surely, 2^18962012159 is an apocalyptic number.

18962012159 is a deficient number, since it is larger than the sum of its proper divisors (1).

18962012159 is an equidigital number, since it uses as much as digits as its factorization.

18962012159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 18962012159 in words is "eighteen billion, nine hundred sixty-two million, twelve thousand, one hundred fifty-nine".