22694353993 has 4 divisors (see below), whose sum is σ = 22762917328. Its totient is φ = 22625790660.

The previous prime is 22694353991. The next prime is 22694354021. The reversal of 22694353993 is 39935349622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22694353993 - 2¹ = 22694353991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22694353991) 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, 34281171 + ... + 34281832.

It is an arithmetic number, because the mean of its divisors is an integer number (5690729332).

Almost surely, 2^22694353993 is an apocalyptic number.

It is an amenable number.

22694353993 is a deficient number, since it is larger than the sum of its proper divisors (68563335).

22694353993 is an equidigital number, since it uses as much as digits as its factorization.

22694353993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68563334.

The product of its digits is 9447840, while the sum is 55.

The spelling of 22694353993 in words is "twenty-two billion, six hundred ninety-four million, three hundred fifty-three thousand, nine hundred ninety-three".