13694121074 has 4 divisors (see below), whose sum is σ = 20541181614. Its totient is φ = 6847060536.

The previous prime is 13694121053. The next prime is 13694121101. The reversal of 13694121074 is 47012149631.

13694121074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 12195889225 + 1498231849 = 110435^2 + 38707^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3423530267 + ... + 3423530270.

Almost surely, 2^13694121074 is an apocalyptic number.

13694121074 is a deficient number, since it is larger than the sum of its proper divisors (6847060540).

13694121074 is an equidigital number, since it uses as much as digits as its factorization.

13694121074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847060539.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 13694121074 in words is "thirteen billion, six hundred ninety-four million, one hundred twenty-one thousand, seventy-four".