13974789693 has 32 divisors (see below), whose sum is σ = 19964515840. Its totient is φ = 8668762560.

The previous prime is 13974789683. The next prime is 13974789707. The reversal of 13974789693 is 39698747931.

It is not a de Polignac number, because 13974789693 - 2¹⁶ = 13974724157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13974789683) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2733846 + ... + 2738952.

It is an arithmetic number, because the mean of its divisors is an integer number (623891120).

Almost surely, 2^13974789693 is an apocalyptic number.

It is an amenable number.

13974789693 is a deficient number, since it is larger than the sum of its proper divisors (5989726147).

13974789693 is a wasteful number, since it uses less digits than its factorization.

13974789693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977.

The product of its digits is 61725888, while the sum is 66.

The spelling of 13974789693 in words is "thirteen billion, nine hundred seventy-four million, seven hundred eighty-nine thousand, six hundred ninety-three".