13932422618 has 4 divisors (see below), whose sum is σ = 20898633930. Its totient is φ = 6966211308.

The previous prime is 13932422587. The next prime is 13932422639. The reversal of 13932422618 is 81622423931.

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., 12809033329 + 1123389289 = 113177^2 + 33517^2 .

It is a super-2 number, since 2×13932422618² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3483105653 + ... + 3483105656.

Almost surely, 2^13932422618 is an apocalyptic number.

13932422618 is a deficient number, since it is larger than the sum of its proper divisors (6966211312).

13932422618 is an equidigital number, since it uses as much as digits as its factorization.

13932422618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966211311.

The product of its digits is 124416, while the sum is 41.

The spelling of 13932422618 in words is "thirteen billion, nine hundred thirty-two million, four hundred twenty-two thousand, six hundred eighteen".