37648744545 has 32 divisors (see below), whose sum is σ = 60560847360. Its totient is φ = 19972005120.

The previous prime is 37648744543. The next prime is 37648744579. The reversal of 37648744545 is 54544784673.

It is not a de Polignac number, because 37648744545 - 2¹ = 37648744543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37648744543) 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, 2132655 + ... + 2150235.

It is an arithmetic number, because the mean of its divisors is an integer number (1892526480).

Almost surely, 2^37648744545 is an apocalyptic number.

It is an amenable number.

37648744545 is a deficient number, since it is larger than the sum of its proper divisors (22912102815).

37648744545 is a wasteful number, since it uses less digits than its factorization.

37648744545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345.

The product of its digits is 45158400, while the sum is 57.

The spelling of 37648744545 in words is "thirty-seven billion, six hundred forty-eight million, seven hundred forty-four thousand, five hundred forty-five".