22411642491 has 48 divisors (see below), whose sum is σ = 38977831200. Its totient is φ = 12689078976.

The previous prime is 22411642469. The next prime is 22411642523. The reversal of 22411642491 is 19424611422.

22411642491 is a `hidden beast` number, since 2 + 2 + 4 + 1 + 1 + 642 + 4 + 9 + 1 = 666.

It is not a de Polignac number, because 22411642491 - 2¹¹ = 22411640443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22411642411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66501 + ... + 221913.

It is an arithmetic number, because the mean of its divisors is an integer number (812038150).

Almost surely, 2^22411642491 is an apocalyptic number.

22411642491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22411642491 is a deficient number, since it is larger than the sum of its proper divisors (16566188709).

22411642491 is a wasteful number, since it uses less digits than its factorization.

22411642491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155545 (or 155532 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The spelling of 22411642491 in words is "twenty-two billion, four hundred eleven million, six hundred forty-two thousand, four hundred ninety-one".