45585190989 has 16 divisors (see below), whose sum is σ = 72728510400. Its totient is φ = 28052425008.

The previous prime is 45585190969. The next prime is 45585190997. The reversal of 45585190989 is 98909158554.

45585190989 is a `hidden beast` number, since 45 + 585 + 1 + 9 + 0 + 9 + 8 + 9 = 666.

It is not a de Polignac number, because 45585190989 - 2⁸ = 45585190733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45585190969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64935819 + ... + 64936520.

It is an arithmetic number, because the mean of its divisors is an integer number (4545531900).

Almost surely, 2^45585190989 is an apocalyptic number.

It is an amenable number.

45585190989 is a deficient number, since it is larger than the sum of its proper divisors (27143319411).

45585190989 is a wasteful number, since it uses less digits than its factorization.

45585190989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129872361 (or 129872355 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 63.

The spelling of 45585190989 in words is "forty-five billion, five hundred eighty-five million, one hundred ninety thousand, nine hundred eighty-nine".