13642726906 has 8 divisors (see below), whose sum is σ = 20470171104. Its totient is φ = 6819336540.

The previous prime is 13642726861. The next prime is 13642726907. The reversal of 13642726906 is 60962724631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13642726906² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13642726907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005030 + ... + 1018513.

It is an arithmetic number, because the mean of its divisors is an integer number (2558771388).

Almost surely, 2^13642726906 is an apocalyptic number.

13642726906 is a deficient number, since it is larger than the sum of its proper divisors (6827444198).

13642726906 is a wasteful number, since it uses less digits than its factorization.

13642726906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026916.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 13642726906 in words is "thirteen billion, six hundred forty-two million, seven hundred twenty-six thousand, nine hundred six".