38530820579 has 4 divisors (see below), whose sum is σ = 38601261384. Its totient is φ = 38460379776.

The previous prime is 38530820543. The next prime is 38530820687. The reversal of 38530820579 is 97502803583.

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

It is a cyclic number.

It is not a de Polignac number, because 38530820579 - 2²⁴ = 38514043363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38530220579) 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, 35219582 + ... + 35220675.

It is an arithmetic number, because the mean of its divisors is an integer number (9650315346).

Almost surely, 2^38530820579 is an apocalyptic number.

38530820579 is a deficient number, since it is larger than the sum of its proper divisors (70440805).

38530820579 is an equidigital number, since it uses as much as digits as its factorization.

38530820579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70440804.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 38530820579 in words is "thirty-eight billion, five hundred thirty million, eight hundred twenty thousand, five hundred seventy-nine".