21883213762 has 8 divisors (see below), whose sum is σ = 33956711100. Its totient is φ = 10564310064.

The previous prime is 21883213747. The next prime is 21883213769. The reversal of 21883213762 is 26731238812.

It can be written as a sum of positive squares in 2 ways, for example, as 20280892921 + 1602320841 = 142411^2 + 40029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21883213769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188648337 + ... + 188648452.

Almost surely, 2^21883213762 is an apocalyptic number.

21883213762 is a deficient number, since it is larger than the sum of its proper divisors (12073497338).

21883213762 is a wasteful number, since it uses less digits than its factorization.

21883213762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377296820.

The product of its digits is 193536, while the sum is 43.

The spelling of 21883213762 in words is "twenty-one billion, eight hundred eighty-three million, two hundred thirteen thousand, seven hundred sixty-two".