13264666646231 has 96 divisors (see below), whose sum is σ = 18026769729024. Its totient is φ = 9426199104000.

The previous prime is 13264666646213. The next prime is 13264666646237.

13264666646231 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-13264666646231 is a prime.

It is a super-2 number, since 2×13264666646231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13264666646237) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5993973881 + ... + 5993976093.

It is an arithmetic number, because the mean of its divisors is an integer number (187778851344).

Almost surely, 2^{13264666646231} is an apocalyptic number.

13264666646231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13264666646231 is a deficient number, since it is larger than the sum of its proper divisors (4762103082793).

13264666646231 is a wasteful number, since it uses less digits than its factorization.

13264666646231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033 (or 2932 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 56.

The spelling of 13264666646231 in words is "thirteen trillion, two hundred sixty-four billion, six hundred sixty-six million, six hundred forty-six thousand, two hundred thirty-one".