13968184321 has 64 divisors (see below), whose sum is σ = 18143870976. Its totient is φ = 10458201600.

The previous prime is 13968184301. The next prime is 13968184379. The reversal of 13968184321 is 12348186931.

It is not a de Polignac number, because 13968184321 - 2⁷ = 13968184193 is a prime.

It is a super-2 number, since 2×13968184321² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13968184301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49708701 + ... + 49708981.

It is an arithmetic number, because the mean of its divisors is an integer number (283497984).

Almost surely, 2^13968184321 is an apocalyptic number.

It is an amenable number.

13968184321 is a deficient number, since it is larger than the sum of its proper divisors (4175686655).

13968184321 is a wasteful number, since it uses less digits than its factorization.

13968184321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its digits is 248832, while the sum is 46.

The spelling of 13968184321 in words is "thirteen billion, nine hundred sixty-eight million, one hundred eighty-four thousand, three hundred twenty-one".