45378362637 has 24 divisors (see below), whose sum is σ = 67085647200. Its totient is φ = 29542187808.

The previous prime is 45378362611. The next prime is 45378362639. The reversal of 45378362637 is 73626387354.

45378362637 is a `hidden beast` number, since 4 + 5 + 3 + 7 + 8 + 3 + 626 + 3 + 7 = 666.

It is not a de Polignac number, because 45378362637 - 2⁶ = 45378362573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45378362639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2261314 + ... + 2281292.

It is an arithmetic number, because the mean of its divisors is an integer number (2795235300).

Almost surely, 2^45378362637 is an apocalyptic number.

It is an amenable number.

45378362637 is a deficient number, since it is larger than the sum of its proper divisors (21707284563).

45378362637 is a wasteful number, since it uses less digits than its factorization.

45378362637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25897 (or 25894 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 54.

The spelling of 45378362637 in words is "forty-five billion, three hundred seventy-eight million, three hundred sixty-two thousand, six hundred thirty-seven".