13464646431 has 16 divisors (see below), whose sum is σ = 18620645088. Its totient is φ = 8647344000.

The previous prime is 13464646427. The next prime is 13464646439.

It is a happy number.

13464646431 is nontrivially palindromic in base 10.

13464646431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13464646431 - 2² = 13464646427 is a prime.

It is a super-2 number, since 2×13464646431² (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 (13464646439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589300 + ... + 611721.

It is an arithmetic number, because the mean of its divisors is an integer number (1163790318).

Almost surely, 2^13464646431 is an apocalyptic number.

13464646431 is a deficient number, since it is larger than the sum of its proper divisors (5155998657).

13464646431 is a wasteful number, since it uses less digits than its factorization.

13464646431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201162.

The product of its digits is 497664, while the sum is 42.

The spelling of 13464646431 in words is "thirteen billion, four hundred sixty-four million, six hundred forty-six thousand, four hundred thirty-one".