898942463999 has 2 divisors, whose sum is σ = 898942464000. Its totient is φ = 898942463998.

The previous prime is 898942463987. The next prime is 898942464019. The reversal of 898942463999 is 999364249898.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-898942463999 is a prime.

It is a super-2 number, since 2×898942463999² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898942463899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449471231999 + 449471232000.

It is an arithmetic number, because the mean of its divisors is an integer number (449471232000).

Almost surely, 2^898942463999 is an apocalyptic number.

898942463999 is a deficient number, since it is larger than the sum of its proper divisors (1).

898942463999 is an equidigital number, since it uses as much as digits as its factorization.

898942463999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2176782336, while the sum is 80.

The spelling of 898942463999 in words is "eight hundred ninety-eight billion, nine hundred forty-two million, four hundred sixty-three thousand, nine hundred ninety-nine".