13974964191 has 12 divisors (see below), whose sum is σ = 20212183368. Its totient is φ = 9304585584.

The previous prime is 13974964183. The next prime is 13974964253. The reversal of 13974964191 is 19146947931.

13974964191 is a `hidden beast` number, since 1 + 397 + 4 + 9 + 64 + 191 = 666.

It is not a de Polignac number, because 13974964191 - 2³ = 13974964183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13974964111) 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 11 ways as a sum of consecutive naturals, for example, 997425 + ... + 1011338.

It is an arithmetic number, because the mean of its divisors is an integer number (1684348614).

Almost surely, 2^13974964191 is an apocalyptic number.

13974964191 is a deficient number, since it is larger than the sum of its proper divisors (6237219177).

13974964191 is a wasteful number, since it uses less digits than its factorization.

13974964191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009542 (or 2009539 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The spelling of 13974964191 in words is "thirteen billion, nine hundred seventy-four million, nine hundred sixty-four thousand, one hundred ninety-one".