21410505433 has 32 divisors (see below), whose sum is σ = 23781859200. Its totient is φ = 19197513216.

The previous prime is 21410505419. The next prime is 21410505533. The reversal of 21410505433 is 33450501412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21410505433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21410505133) 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, 8130285 + ... + 8132917.

It is an arithmetic number, because the mean of its divisors is an integer number (743183100).

Almost surely, 2^21410505433 is an apocalyptic number.

It is an amenable number.

21410505433 is a deficient number, since it is larger than the sum of its proper divisors (2371353767).

21410505433 is a wasteful number, since it uses less digits than its factorization.

21410505433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 21410505433 in words is "twenty-one billion, four hundred ten million, five hundred five thousand, four hundred thirty-three".