14541798921 has 32 divisors (see below), whose sum is σ = 21804303360. Its totient is φ = 8553466944.

The previous prime is 14541798917. The next prime is 14541798923. The reversal of 14541798921 is 12989714541.

It is not a de Polignac number, because 14541798921 - 2² = 14541798917 is a prime.

It is a super-2 number, since 2×14541798921² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14541798923) 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, 1411230 + ... + 1421496.

It is an arithmetic number, because the mean of its divisors is an integer number (681384480).

Almost surely, 2^14541798921 is an apocalyptic number.

It is an amenable number.

14541798921 is a deficient number, since it is larger than the sum of its proper divisors (7262504439).

14541798921 is a wasteful number, since it uses less digits than its factorization.

14541798921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11885.

The product of its digits is 725760, while the sum is 51.

The spelling of 14541798921 in words is "fourteen billion, five hundred forty-one million, seven hundred ninety-eight thousand, nine hundred twenty-one".