13438756354 has 16 divisors (see below), whose sum is σ = 21349277280. Its totient is φ = 6326670240.

The previous prime is 13438756349. The next prime is 13438756477. The reversal of 13438756354 is 45365783431.

It is a junction number, because it is equal to n+sod(n) for n = 13438756298 and 13438756307.

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, 1078627 + ... + 1091014.

It is an arithmetic number, because the mean of its divisors is an integer number (1334329830).

Almost surely, 2^13438756354 is an apocalyptic number.

13438756354 is a deficient number, since it is larger than the sum of its proper divisors (7910520926).

13438756354 is a wasteful number, since it uses less digits than its factorization.

13438756354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169825.

The product of its digits is 3628800, while the sum is 49.

The spelling of 13438756354 in words is "thirteen billion, four hundred thirty-eight million, seven hundred fifty-six thousand, three hundred fifty-four".