22979957149 has 8 divisors (see below), whose sum is σ = 23361640920. Its totient is φ = 22598433600.

The previous prime is 22979957137. The next prime is 22979957153. The reversal of 22979957149 is 94175997922.

It can be written as a sum of positive squares in 4 ways, for example, as 10432900 + 22969524249 = 3230^2 + 151557^2 .

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 22979957149 - 2²³ = 22971568541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22989957149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268767 + ... + 343795.

It is an arithmetic number, because the mean of its divisors is an integer number (2920205115).

Almost surely, 2^22979957149 is an apocalyptic number.

It is an amenable number.

22979957149 is a deficient number, since it is larger than the sum of its proper divisors (381683771).

22979957149 is an equidigital number, since it uses as much as digits as its factorization.

22979957149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80111.

The product of its digits is 25719120, while the sum is 64.

The spelling of 22979957149 in words is "twenty-two billion, nine hundred seventy-nine million, nine hundred fifty-seven thousand, one hundred forty-nine".