13620338438 has 16 divisors (see below), whose sum is σ = 23350707744. Its totient is φ = 5836898880.

The previous prime is 13620338363. The next prime is 13620338441. The reversal of 13620338438 is 83483302631.

It is a junction number, because it is equal to n+sod(n) for n = 13620338395 and 13620338404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309506 + ... + 350762.

It is an arithmetic number, because the mean of its divisors is an integer number (1459419234).

Almost surely, 2^13620338438 is an apocalyptic number.

13620338438 is a deficient number, since it is larger than the sum of its proper divisors (9730369306).

13620338438 is a wasteful number, since it uses less digits than its factorization.

13620338438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64847.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 13620338438 in words is "thirteen billion, six hundred twenty million, three hundred thirty-eight thousand, four hundred thirty-eight".