18869293522 has 8 divisors (see below), whose sum is σ = 29068911756. Its totient is φ = 9179656272.

The previous prime is 18869293481. The next prime is 18869293523. The reversal of 18869293522 is 22539296881.

18869293522 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16983041761 + 1886251761 = 130319^2 + 43431^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18869293523) 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, 127495153 + ... + 127495300.

Almost surely, 2^18869293522 is an apocalyptic number.

18869293522 is a deficient number, since it is larger than the sum of its proper divisors (10199618234).

18869293522 is a wasteful number, since it uses less digits than its factorization.

18869293522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254990492.

The product of its digits is 3732480, while the sum is 55.

The spelling of 18869293522 in words is "eighteen billion, eight hundred sixty-nine million, two hundred ninety-three thousand, five hundred twenty-two".