13626562231 has 4 divisors (see below), whose sum is σ = 13767042352. Its totient is φ = 13486082112.

The previous prime is 13626562219. The next prime is 13626562241. The reversal of 13626562231 is 13226562631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13226562631 = 37307 ⋅354533.

It is a cyclic number.

It is not a de Polignac number, because 13626562231 - 2²¹ = 13624465079 is a prime.

It is a super-2 number, since 2×13626562231² (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 (13626562241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70239915 + ... + 70240108.

It is an arithmetic number, because the mean of its divisors is an integer number (3441760588).

Almost surely, 2^13626562231 is an apocalyptic number.

13626562231 is a deficient number, since it is larger than the sum of its proper divisors (140480121).

13626562231 is an equidigital number, since it uses as much as digits as its factorization.

13626562231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140480120.

The product of its digits is 77760, while the sum is 37.

The spelling of 13626562231 in words is "thirteen billion, six hundred twenty-six million, five hundred sixty-two thousand, two hundred thirty-one".