21492134113 has 8 divisors (see below), whose sum is σ = 22019155200. Its totient is φ = 20965247520.

The previous prime is 21492134071. The next prime is 21492134161. The reversal of 21492134113 is 31143129412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21492134113 - 2²⁹ = 20955263201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21492131113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340188 + ... + 398386.

It is an arithmetic number, because the mean of its divisors is an integer number (2752394400).

Almost surely, 2^21492134113 is an apocalyptic number.

It is an amenable number.

21492134113 is a deficient number, since it is larger than the sum of its proper divisors (527021087).

21492134113 is an equidigital number, since it uses as much as digits as its factorization.

21492134113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67247.

The product of its digits is 5184, while the sum is 31.

The spelling of 21492134113 in words is "twenty-one billion, four hundred ninety-two million, one hundred thirty-four thousand, one hundred thirteen".