38924655745 has 8 divisors (see below), whose sum is σ = 46946692584. Its totient is φ = 30981654144.

The previous prime is 38924655673. The next prime is 38924655821. The reversal of 38924655745 is 54755642983.

It can be written as a sum of positive squares in 4 ways, for example, as 8455905936 + 30468749809 = 91956^2 + 174553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38924655745 - 2¹⁵ = 38924622977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38924655745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19757724 + ... + 19759693.

It is an arithmetic number, because the mean of its divisors is an integer number (5868336573).

Almost surely, 2^38924655745 is an apocalyptic number.

It is an amenable number.

38924655745 is a deficient number, since it is larger than the sum of its proper divisors (8022036839).

38924655745 is a wasteful number, since it uses less digits than its factorization.

38924655745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39517619.

The product of its digits is 36288000, while the sum is 58.

The spelling of 38924655745 in words is "thirty-eight billion, nine hundred twenty-four million, six hundred fifty-five thousand, seven hundred forty-five".