22939381953 has 32 divisors (see below), whose sum is σ = 37144120320. Its totient is φ = 13929027840.

The previous prime is 22939381951. The next prime is 22939381981. The reversal of 22939381953 is 35918393922.

It is a happy number.

22939381953 is a `hidden beast` number, since 229 + 39 + 381 + 9 + 5 + 3 = 666.

It is not a de Polignac number, because 22939381953 - 2¹ = 22939381951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22939381953.

It is not an unprimeable number, because it can be changed into a prime (22939381951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 791850 + ... + 820307.

It is an arithmetic number, because the mean of its divisors is an integer number (1160753760).

Almost surely, 2^22939381953 is an apocalyptic number.

It is an amenable number.

22939381953 is a deficient number, since it is larger than the sum of its proper divisors (14204738367).

22939381953 is a wasteful number, since it uses less digits than its factorization.

22939381953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612214 (or 1612208 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The spelling of 22939381953 in words is "twenty-two billion, nine hundred thirty-nine million, three hundred eighty-one thousand, nine hundred fifty-three".