13938818882 has 4 divisors (see below), whose sum is σ = 20908228326. Its totient is φ = 6969409440.

The previous prime is 13938818879. The next prime is 13938818939. The reversal of 13938818882 is 28881883931.

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

It can be written as a sum of positive squares in only one way, i.e., 8574574801 + 5364244081 = 92599^2 + 73241^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3484704719 + ... + 3484704722.

Almost surely, 2^13938818882 is an apocalyptic number.

13938818882 is a deficient number, since it is larger than the sum of its proper divisors (6969409444).

13938818882 is an equidigital number, since it uses as much as digits as its factorization.

13938818882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6969409443.

The product of its digits is 5308416, while the sum is 59.

The spelling of 13938818882 in words is "thirteen billion, nine hundred thirty-eight million, eight hundred eighteen thousand, eight hundred eighty-two".