13642919323639 has 8 divisors (see below), whose sum is σ = 14009876944272. Its totient is φ = 13278219904320.

The previous prime is 13642919323603. The next prime is 13642919323667. The reversal of 13642919323639 is 93632391924631.

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

It is a cyclic number.

It is not a de Polignac number, because 13642919323639 - 2⁷ = 13642919323511 is a prime.

It is a super-2 number, since 2×13642919323639² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642919323679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564538084 + ... + 564562249.

It is an arithmetic number, because the mean of its divisors is an integer number (1751234618034).

Almost surely, 2^{13642919323639} is an apocalyptic number.

13642919323639 is a deficient number, since it is larger than the sum of its proper divisors (366957620633).

13642919323639 is a wasteful number, since it uses less digits than its factorization.

13642919323639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129100657.

The product of its digits is 34012224, while the sum is 61.

The spelling of 13642919323639 in words is "thirteen trillion, six hundred forty-two billion, nine hundred nineteen million, three hundred twenty-three thousand, six hundred thirty-nine".