13334778903682 has 4 divisors (see below), whose sum is σ = 20002168355526. Its totient is φ = 6667389451840.

The previous prime is 13334778903679. The next prime is 13334778903701. The reversal of 13334778903682 is 28630987743331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12041170661521 + 1293608242161 = 3470039^2 + 1137369^2 .

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 as a sum of consecutive naturals, namely, 3333694725919 + ... + 3333694725922.

Almost surely, 2^{13334778903682} is an apocalyptic number.

13334778903682 is a deficient number, since it is larger than the sum of its proper divisors (6667389451844).

13334778903682 is an equidigital number, since it uses as much as digits as its factorization.

13334778903682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667389451843.

The product of its (nonzero) digits is 109734912, while the sum is 64.

The spelling of 13334778903682 in words is "thirteen trillion, three hundred thirty-four billion, seven hundred seventy-eight million, nine hundred three thousand, six hundred eighty-two".