13919073634 has 8 divisors (see below), whose sum is σ = 20898708480. Its totient is φ = 6952837476.

The previous prime is 13919073631. The next prime is 13919073647. The reversal of 13919073634 is 43637091931.

13919073634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13919073634² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13919073631) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3347074 + ... + 3351229.

It is an arithmetic number, because the mean of its divisors is an integer number (2612338560).

Almost surely, 2^13919073634 is an apocalyptic number.

13919073634 is a deficient number, since it is larger than the sum of its proper divisors (6979634846).

13919073634 is a wasteful number, since it uses less digits than its factorization.

13919073634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699344.

The product of its (nonzero) digits is 367416, while the sum is 46.

The spelling of 13919073634 in words is "thirteen billion, nine hundred nineteen million, seventy-three thousand, six hundred thirty-four".