38747465745 has 16 divisors (see below), whose sum is σ = 62078514432. Its totient is φ = 20637792000.

The previous prime is 38747465737. The next prime is 38747465749. The reversal of 38747465745 is 54756474783.

It is not a de Polignac number, because 38747465745 - 2³ = 38747465737 is a prime.

It is a super-2 number, since 2×38747465745² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38747465749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708552 + ... + 1731081.

It is an arithmetic number, because the mean of its divisors is an integer number (3879907152).

Almost surely, 2^38747465745 is an apocalyptic number.

It is an amenable number.

38747465745 is a deficient number, since it is larger than the sum of its proper divisors (23331048687).

38747465745 is a wasteful number, since it uses less digits than its factorization.

38747465745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440392.

The product of its digits is 79027200, while the sum is 60.

The spelling of 38747465745 in words is "thirty-eight billion, seven hundred forty-seven million, four hundred sixty-five thousand, seven hundred forty-five".