38653895065 has 4 divisors (see below), whose sum is σ = 46384674084. Its totient is φ = 30923116048.

The previous prime is 38653894991. The next prime is 38653895087. The reversal of 38653895065 is 56059835683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26947520649 + 11706374416 = 164157^2 + 108196^2 .

It is a cyclic number.

It is not a de Polignac number, because 38653895065 - 2²³ = 38645506457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3865389502 + ... + 3865389511.

It is an arithmetic number, because the mean of its divisors is an integer number (11596168521).

Almost surely, 2^38653895065 is an apocalyptic number.

It is an amenable number.

38653895065 is a deficient number, since it is larger than the sum of its proper divisors (7730779019).

38653895065 is an equidigital number, since it uses as much as digits as its factorization.

38653895065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730779018.

The product of its (nonzero) digits is 23328000, while the sum is 58.

The spelling of 38653895065 in words is "thirty-eight billion, six hundred fifty-three million, eight hundred ninety-five thousand, sixty-five".