22905650693 has 4 divisors (see below), whose sum is σ = 23438340288. Its totient is φ = 22372961100.

The previous prime is 22905650683. The next prime is 22905650699. The reversal of 22905650693 is 39605650922.

It is a happy number.

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 22905650693 - 2³⁰ = 21831908869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22905650699) 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, 266344733 + ... + 266344818.

It is an arithmetic number, because the mean of its divisors is an integer number (5859585072).

Almost surely, 2^22905650693 is an apocalyptic number.

It is an amenable number.

22905650693 is a deficient number, since it is larger than the sum of its proper divisors (532689595).

22905650693 is an equidigital number, since it uses as much as digits as its factorization.

22905650693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532689594.

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 22905650693 in words is "twenty-two billion, nine hundred five million, six hundred fifty thousand, six hundred ninety-three".