38604234021 has 4 divisors (see below), whose sum is σ = 51472312032. Its totient is φ = 25736156012.

The previous prime is 38604234013. The next prime is 38604234073. The reversal of 38604234021 is 12043240683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38604234021 - 2³ = 38604234013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38604234121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6434039001 + ... + 6434039006.

It is an arithmetic number, because the mean of its divisors is an integer number (12868078008).

Almost surely, 2^38604234021 is an apocalyptic number.

It is an amenable number.

38604234021 is a deficient number, since it is larger than the sum of its proper divisors (12868078011).

38604234021 is a wasteful number, since it uses less digits than its factorization.

38604234021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12868078010.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 38604234021 in words is "thirty-eight billion, six hundred four million, two hundred thirty-four thousand, twenty-one".