13642976431 has 8 divisors (see below), whose sum is σ = 15621789824. Its totient is φ = 11671617240.

The previous prime is 13642976419. The next prime is 13642976453. The reversal of 13642976431 is 13467924631.

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 13642976431 - 2⁹ = 13642975919 is a prime.

It is a super-2 number, since 2×13642976431² (a number of 21 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 (13642971431) 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, 1859625 + ... + 1866946.

It is an arithmetic number, because the mean of its divisors is an integer number (1952723728).

Almost surely, 2^13642976431 is an apocalyptic number.

13642976431 is a deficient number, since it is larger than the sum of its proper divisors (1978813393).

13642976431 is an equidigital number, since it uses as much as digits as its factorization.

13642976431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727101.

The product of its digits is 653184, while the sum is 46.

The spelling of 13642976431 in words is "thirteen billion, six hundred forty-two million, nine hundred seventy-six thousand, four hundred thirty-one".