22381953893 has 6 divisors (see below), whose sum is σ = 24236080434. Its totient is φ = 20660264976.

The previous prime is 22381953799. The next prime is 22381953899. The reversal of 22381953893 is 39835918322.

It can be written as a sum of positive squares in 3 ways, for example, as 1327363489 + 21054590404 = 36433^2 + 145102^2 .

It is not a de Polignac number, because 22381953893 - 2¹² = 22381949797 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 (22381953899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66218630 + ... + 66218967.

It is an arithmetic number, because the mean of its divisors is an integer number (4039346739).

Almost surely, 2^22381953893 is an apocalyptic number.

It is an amenable number.

22381953893 is a deficient number, since it is larger than the sum of its proper divisors (1854126541).

22381953893 is a wasteful number, since it uses less digits than its factorization.

22381953893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132437623 (or 132437610 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The spelling of 22381953893 in words is "twenty-two billion, three hundred eighty-one million, nine hundred fifty-three thousand, eight hundred ninety-three".