21433200299 has 12 divisors (see below), whose sum is σ = 24999362784. Its totient is φ = 18322046064.

The previous prime is 21433200289. The next prime is 21433200311. The reversal of 21433200299 is 99200233412.

It is a de Polignac number, because none of the positive numbers 2^k-21433200299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21433200209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568067 + ... + 604620.

It is an arithmetic number, because the mean of its divisors is an integer number (2083280232).

Almost surely, 2^21433200299 is an apocalyptic number.

21433200299 is a deficient number, since it is larger than the sum of its proper divisors (3566162485).

21433200299 is a wasteful number, since it uses less digits than its factorization.

21433200299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173074 (or 1173067 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 21433200299 in words is "twenty-one billion, four hundred thirty-three million, two hundred thousand, two hundred ninety-nine".