21928183299 has 32 divisors (see below), whose sum is σ = 36303886080. Its totient is φ = 12965659200.

The previous prime is 21928183289. The next prime is 21928183327. The reversal of 21928183299 is 99238182912.

It is not a de Polignac number, because 21928183299 - 2⁷ = 21928183171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21928183259) 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 31 ways as a sum of consecutive naturals, for example, 888217 + ... + 912570.

It is an arithmetic number, because the mean of its divisors is an integer number (1134496440).

Almost surely, 2^21928183299 is an apocalyptic number.

21928183299 is a deficient number, since it is larger than the sum of its proper divisors (14375702781).

21928183299 is a wasteful number, since it uses less digits than its factorization.

21928183299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800848 (or 1800842 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The spelling of 21928183299 in words is "twenty-one billion, nine hundred twenty-eight million, one hundred eighty-three thousand, two hundred ninety-nine".