13967249091 has 32 divisors (see below), whose sum is σ = 19383624000. Its totient is φ = 8935342080.

The previous prime is 13967249089. The next prime is 13967249129. The reversal of 13967249091 is 19094276931.

It is not a de Polignac number, because 13967249091 - 2¹ = 13967249089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13967249041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13163701 + ... + 13164761.

It is an arithmetic number, because the mean of its divisors is an integer number (605738250).

Almost surely, 2^13967249091 is an apocalyptic number.

13967249091 is a deficient number, since it is larger than the sum of its proper divisors (5416374909).

13967249091 is a wasteful number, since it uses less digits than its factorization.

13967249091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 13967249091 in words is "thirteen billion, nine hundred sixty-seven million, two hundred forty-nine thousand, ninety-one".