22691643934 has 8 divisors (see below), whose sum is σ = 35135448768. Its totient is φ = 10979827680.

The previous prime is 22691643929. The next prime is 22691643937. The reversal of 22691643934 is 43934619622.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22691643937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182997067 + ... + 182997190.

It is an arithmetic number, because the mean of its divisors is an integer number (4391931096).

Almost surely, 2^22691643934 is an apocalyptic number.

22691643934 is a deficient number, since it is larger than the sum of its proper divisors (12443804834).

22691643934 is a wasteful number, since it uses less digits than its factorization.

22691643934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365994290.

The product of its digits is 1679616, while the sum is 49.

The spelling of 22691643934 in words is "twenty-two billion, six hundred ninety-one million, six hundred forty-three thousand, nine hundred thirty-four".