22491376343 has 4 divisors (see below), whose sum is σ = 22493674440. Its totient is φ = 22489078248.

The previous prime is 22491376319. The next prime is 22491376373. The reversal of 22491376343 is 34367319422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22491376343 - 2²⁴ = 22474599127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22491376294 and 22491376303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22491376373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134305 + ... + 1153962.

It is an arithmetic number, because the mean of its divisors is an integer number (5623418610).

Almost surely, 2^22491376343 is an apocalyptic number.

22491376343 is a deficient number, since it is larger than the sum of its proper divisors (2298097).

22491376343 is an equidigital number, since it uses as much as digits as its factorization.

22491376343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298096.

The product of its digits is 653184, while the sum is 44.

The spelling of 22491376343 in words is "twenty-two billion, four hundred ninety-one million, three hundred seventy-six thousand, three hundred forty-three".