13641652626 has 64 divisors (see below), whose sum is σ = 31850400000. Its totient is φ = 3893557248.

The previous prime is 13641652597. The next prime is 13641652627. The reversal of 13641652626 is 62625614631.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (13641652627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2370000 + ... + 2375748.

It is an arithmetic number, because the mean of its divisors is an integer number (497662500).

Almost surely, 2^13641652626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13641652626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15925200000).

13641652626 is an abundant number, since it is smaller than the sum of its proper divisors (18208747374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13641652626 is a wasteful number, since it uses less digits than its factorization.

13641652626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6928 (or 6914 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 13641652626 in words is "thirteen billion, six hundred forty-one million, six hundred fifty-two thousand, six hundred twenty-six".