14193995491 has 24 divisors (see below), whose sum is σ = 15619591680. Its totient is φ = 12890438496.

The previous prime is 14193995483. The next prime is 14193995591. The reversal of 14193995491 is 19459939141.

It is not a de Polignac number, because 14193995491 - 2³ = 14193995483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14193995471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4097026 + ... + 4100488.

It is an arithmetic number, because the mean of its divisors is an integer number (650816320).

Almost surely, 2^14193995491 is an apocalyptic number.

14193995491 is a deficient number, since it is larger than the sum of its proper divisors (1425596189).

14193995491 is a wasteful number, since it uses less digits than its factorization.

14193995491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875 (or 3862 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 55.

The spelling of 14193995491 in words is "fourteen billion, one hundred ninety-three million, nine hundred ninety-five thousand, four hundred ninety-one".