38365923621 has 8 divisors (see below), whose sum is σ = 51522583840. Its totient is φ = 25393272912.

The previous prime is 38365923619. The next prime is 38365923677. The reversal of 38365923621 is 12632956383.

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

It is not a de Polignac number, because 38365923621 - 2¹ = 38365923619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38365923601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46001890 + ... + 46002723.

It is an arithmetic number, because the mean of its divisors is an integer number (6440322980).

Almost surely, 2^38365923621 is an apocalyptic number.

It is an amenable number.

38365923621 is a deficient number, since it is larger than the sum of its proper divisors (13156660219).

38365923621 is a wasteful number, since it uses less digits than its factorization.

38365923621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92004755.

The product of its digits is 1399680, while the sum is 48.

The spelling of 38365923621 in words is "thirty-eight billion, three hundred sixty-five million, nine hundred twenty-three thousand, six hundred twenty-one".