890161484939 has 2 divisors, whose sum is σ = 890161484940. Its totient is φ = 890161484938.

The previous prime is 890161484887. The next prime is 890161484963. The reversal of 890161484939 is 939484161098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 890161484939 - 2²⁸ = 889893049483 is a prime.

It is not a weakly prime, because it can be changed into another prime (890161484999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445080742469 + 445080742470.

It is an arithmetic number, because the mean of its divisors is an integer number (445080742470).

Almost surely, 2^890161484939 is an apocalyptic number.

890161484939 is a deficient number, since it is larger than the sum of its proper divisors (1).

890161484939 is an equidigital number, since it uses as much as digits as its factorization.

890161484939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 890161484939 in words is "eight hundred ninety billion, one hundred sixty-one million, four hundred eighty-four thousand, nine hundred thirty-nine".