45043958817 has 80 divisors (see below), whose sum is σ = 80005641408. Its totient is φ = 24895278720.

The previous prime is 45043958803. The next prime is 45043958821. The reversal of 45043958817 is 71885934054.

45043958817 is a `hidden beast` number, since 4 + 5 + 0 + 43 + 9 + 588 + 17 = 666.

It is not a de Polignac number, because 45043958817 - 2¹⁰ = 45043957793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45043958417) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 937963 + ... + 984815.

Almost surely, 2^45043958817 is an apocalyptic number.

It is an amenable number.

45043958817 is a deficient number, since it is larger than the sum of its proper divisors (34961682591).

45043958817 is a wasteful number, since it uses less digits than its factorization.

45043958817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46972 (or 46963 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 45043958817 in words is "forty-five billion, forty-three million, nine hundred fifty-eight thousand, eight hundred seventeen".