13426334638 has 8 divisors (see below), whose sum is σ = 20324268360. Its totient is φ = 6651578520.

The previous prime is 13426334609. The next prime is 13426334659. The reversal of 13426334638 is 83643362431.

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

It is a junction number, because it is equal to n+sod(n) for n = 13426334594 and 13426334603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30794128 + ... + 30794563.

It is an arithmetic number, because the mean of its divisors is an integer number (2540533545).

Almost surely, 2^13426334638 is an apocalyptic number.

13426334638 is a deficient number, since it is larger than the sum of its proper divisors (6897933722).

13426334638 is a wasteful number, since it uses less digits than its factorization.

13426334638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61588802.

The product of its digits is 746496, while the sum is 43.

The spelling of 13426334638 in words is "thirteen billion, four hundred twenty-six million, three hundred thirty-four thousand, six hundred thirty-eight".