13674647631 has 16 divisors (see below), whose sum is σ = 19489639680. Its totient is φ = 8507378880.

The previous prime is 13674647593. The next prime is 13674647669.

13674647631 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (13674647593) and next prime (13674647669).

It is not a de Polignac number, because 13674647631 - 2¹⁰ = 13674646607 is a prime.

It is a super-2 number, since 2×13674647631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13674647131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414041 + ... + 2419698.

It is an arithmetic number, because the mean of its divisors is an integer number (1218102480).

Almost surely, 2^13674647631 is an apocalyptic number.

13674647631 is a deficient number, since it is larger than the sum of its proper divisors (5814992049).

13674647631 is a wasteful number, since it uses less digits than its factorization.

13674647631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833806.

The product of its digits is 1524096, while the sum is 48.

The spelling of 13674647631 in words is "thirteen billion, six hundred seventy-four million, six hundred forty-seven thousand, six hundred thirty-one".