38522779201 has 4 divisors (see below), whose sum is σ = 38524258692. Its totient is φ = 38521299712.

The previous prime is 38522779187. The next prime is 38522779219. The reversal of 38522779201 is 10297722583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10297722583 = 479 ⋅21498377.

It can be written as a sum of positive squares in 2 ways, for example, as 23516529201 + 15006250000 = 153351^2 + 122500^2 .

It is a cyclic number.

It is not a de Polignac number, because 38522779201 - 2²⁵ = 38489224769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38522779301) 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, 699976 + ... + 753001.

It is an arithmetic number, because the mean of its divisors is an integer number (9631064673).

Almost surely, 2^38522779201 is an apocalyptic number.

It is an amenable number.

38522779201 is a deficient number, since it is larger than the sum of its proper divisors (1479491).

38522779201 is a wasteful number, since it uses less digits than its factorization.

38522779201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479490.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 38522779201 in words is "thirty-eight billion, five hundred twenty-two million, seven hundred seventy-nine thousand, two hundred one".