21886466373 has 48 divisors (see below), whose sum is σ = 33748369200. Its totient is φ = 13642997760.

The previous prime is 21886466369. The next prime is 21886466389. The reversal of 21886466373 is 37366468812.

It can be written as a sum of positive squares in 8 ways, for example, as 11168964 + 21875297409 = 3342^2 + 147903^2 .

It is not a de Polignac number, because 21886466373 - 2² = 21886466369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21886466353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1458573 + ... + 1473501.

It is an arithmetic number, because the mean of its divisors is an integer number (703091025).

Almost surely, 2^21886466373 is an apocalyptic number.

It is an amenable number.

21886466373 is a deficient number, since it is larger than the sum of its proper divisors (11861902827).

21886466373 is a wasteful number, since it uses less digits than its factorization.

21886466373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15142 (or 15139 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 21886466373 in words is "twenty-one billion, eight hundred eighty-six million, four hundred sixty-six thousand, three hundred seventy-three".