21132622093 has 4 divisors (see below), whose sum is σ = 23053769568. Its totient is φ = 19211474620.

The previous prime is 21132622081. The next prime is 21132622109. The reversal of 21132622093 is 39022623112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21132622093 - 2²¹ = 21130524941 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 (21132622003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960573721 + ... + 960573742.

It is an arithmetic number, because the mean of its divisors is an integer number (5763442392).

Almost surely, 2^21132622093 is an apocalyptic number.

It is an amenable number.

21132622093 is a deficient number, since it is larger than the sum of its proper divisors (1921147475).

21132622093 is a wasteful number, since it uses less digits than its factorization.

21132622093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921147474.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 21132622093 in words is "twenty-one billion, one hundred thirty-two million, six hundred twenty-two thousand, ninety-three".