13438636937476 has 12 divisors (see below), whose sum is σ = 23517644027472. Its totient is φ = 6719310072488.

The previous prime is 13438636937441. The next prime is 13438636937489. The reversal of 13438636937476 is 67473963683431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2743491 + ... + 5865493.

It is an arithmetic number, because the mean of its divisors is an integer number (1959803668956).

Almost surely, 2^{13438636937476} is an apocalyptic number.

It is an amenable number.

13438636937476 is a deficient number, since it is larger than the sum of its proper divisors (10079007089996).

13438636937476 is a wasteful number, since it uses less digits than its factorization.

13438636937476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198130 (or 4198128 counting only the distinct ones).

The product of its digits is 987614208, while the sum is 70.

The spelling of 13438636937476 in words is "thirteen trillion, four hundred thirty-eight billion, six hundred thirty-six million, nine hundred thirty-seven thousand, four hundred seventy-six".