38524304030021 has 4 divisors (see below), whose sum is σ = 38530518636000. Its totient is φ = 38518089424044.

The previous prime is 38524304029999. The next prime is 38524304030027. The reversal of 38524304030021 is 12003040342583.

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 a de Polignac number, because none of the positive numbers 2^k-38524304030021 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 (38524304030027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3107293691 + ... + 3107306088.

It is an arithmetic number, because the mean of its divisors is an integer number (9632629659000).

Almost surely, 2^{38524304030021} is an apocalyptic number.

It is an amenable number.

38524304030021 is a deficient number, since it is larger than the sum of its proper divisors (6214605979).

38524304030021 is an equidigital number, since it uses as much as digits as its factorization.

38524304030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214605978.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 38524304030021 in words is "thirty-eight trillion, five hundred twenty-four billion, three hundred four million, thirty thousand, twenty-one".