21332880741 has 32 divisors (see below), whose sum is σ = 29088663552. Its totient is φ = 13903905600.

The previous prime is 21332880731. The next prime is 21332880749. The reversal of 21332880741 is 14708823312.

It is not a de Polignac number, because 21332880741 - 2⁹ = 21332880229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21332880741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332880749) 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, 13824816 + ... + 13826358.

It is an arithmetic number, because the mean of its divisors is an integer number (909020736).

Almost surely, 2^21332880741 is an apocalyptic number.

It is an amenable number.

21332880741 is a deficient number, since it is larger than the sum of its proper divisors (7755782811).

21332880741 is a wasteful number, since it uses less digits than its factorization.

21332880741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 21332880741 in words is "twenty-one billion, three hundred thirty-two million, eight hundred eighty thousand, seven hundred forty-one".