250120450989 has 32 divisors (see below), whose sum is σ = 372531680640. Its totient is φ = 165856070016.

The previous prime is 250120450967. The next prime is 250120451023. The reversal of 250120450989 is 989054021052.

It is a happy number.

250120450989 is a `hidden beast` number, since 2 + 50 + 12 + 0 + 4 + 509 + 89 = 666.

It is not a de Polignac number, because 250120450989 - 2⁷ = 250120450861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250120450949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6680329 + ... + 6717665.

It is an arithmetic number, because the mean of its divisors is an integer number (11641615020).

Almost surely, 2^250120450989 is an apocalyptic number.

It is an amenable number.

250120450989 is a deficient number, since it is larger than the sum of its proper divisors (122411229651).

250120450989 is a wasteful number, since it uses less digits than its factorization.

250120450989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38666 (or 38660 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 250120450989 in words is "two hundred fifty billion, one hundred twenty million, four hundred fifty thousand, nine hundred eighty-nine".