21532000199 has 12 divisors (see below), whose sum is σ = 22919085000. Its totient is φ = 20224664448.

The previous prime is 21532000177. The next prime is 21532000201. The reversal of 21532000199 is 99100023512.

It is not a de Polignac number, because 21532000199 - 2¹² = 21531996103 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 (21532000169) 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, 69557 + ... + 218865.

It is an arithmetic number, because the mean of its divisors is an integer number (1909923750).

Almost surely, 2^21532000199 is an apocalyptic number.

21532000199 is a deficient number, since it is larger than the sum of its proper divisors (1387084801).

21532000199 is a wasteful number, since it uses less digits than its factorization.

21532000199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149842 (or 149825 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The spelling of 21532000199 in words is "twenty-one billion, five hundred thirty-two million, one hundred ninety-nine", and thus it is an aban number.