38232564437 has 4 divisors (see below), whose sum is σ = 38251807776. Its totient is φ = 38213321100.

The previous prime is 38232564431. The next prime is 38232564449. The reversal of 38232564437 is 73446523283.

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 38232564437 - 2⁴ = 38232564421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38232564391 and 38232564400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38232564431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9618689 + ... + 9622662.

It is an arithmetic number, because the mean of its divisors is an integer number (9562951944).

Almost surely, 2^38232564437 is an apocalyptic number.

It is an amenable number.

38232564437 is a deficient number, since it is larger than the sum of its proper divisors (19243339).

38232564437 is a wasteful number, since it uses less digits than its factorization.

38232564437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19243338.

The product of its digits is 2903040, while the sum is 47.

The spelling of 38232564437 in words is "thirty-eight billion, two hundred thirty-two million, five hundred sixty-four thousand, four hundred thirty-seven".