14391113631 has 4 divisors (see below), whose sum is σ = 19188151512. Its totient is φ = 9594075752.

The previous prime is 14391113617. The next prime is 14391113677. The reversal of 14391113631 is 13631119341.

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

It is a cyclic number.

It is not a de Polignac number, because 14391113631 - 2¹⁰ = 14391112607 is a prime.

It is a super-2 number, since 2×14391113631² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14391113592 and 14391113601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14391115631) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2398518936 + ... + 2398518941.

It is an arithmetic number, because the mean of its divisors is an integer number (4797037878).

Almost surely, 2^14391113631 is an apocalyptic number.

14391113631 is a deficient number, since it is larger than the sum of its proper divisors (4797037881).

14391113631 is an equidigital number, since it uses as much as digits as its factorization.

14391113631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4797037880.

The product of its digits is 5832, while the sum is 33.

The spelling of 14391113631 in words is "fourteen billion, three hundred ninety-one million, one hundred thirteen thousand, six hundred thirty-one".