45957898647 has 6 divisors (see below), whose sum is σ = 66383631392. Its totient is φ = 30638599092.

The previous prime is 45957898643. The next prime is 45957898667. The reversal of 45957898647 is 74689875954.

45957898647 is a `hidden beast` number, since 4 + 5 + 9 + 578 + 9 + 8 + 6 + 47 = 666.

It is not a de Polignac number, because 45957898647 - 2² = 45957898643 is a prime.

It is a super-2 number, since 2×45957898647² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45957898643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2553216583 + ... + 2553216600.

Almost surely, 2^45957898647 is an apocalyptic number.

45957898647 is a deficient number, since it is larger than the sum of its proper divisors (20425732745).

45957898647 is a wasteful number, since it uses less digits than its factorization.

45957898647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106433189 (or 5106433186 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 72.

The spelling of 45957898647 in words is "forty-five billion, nine hundred fifty-seven million, eight hundred ninety-eight thousand, six hundred forty-seven".