21883703684 has 6 divisors (see below), whose sum is σ = 38296481454. Its totient is φ = 10941851840.

The previous prime is 21883703683. The next prime is 21883703693. The reversal of 21883703684 is 48630738812.

It can be written as a sum of positive squares in only one way, i.e., 18435665284 + 3448038400 = 135778^2 + 58720^2 .

It is not an unprimeable number, because it can be changed into a prime (21883703683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2735462957 + ... + 2735462964.

It is an arithmetic number, because the mean of its divisors is an integer number (6382746909).

Almost surely, 2^21883703684 is an apocalyptic number.

It is an amenable number.

21883703684 is a deficient number, since it is larger than the sum of its proper divisors (16412777770).

21883703684 is a wasteful number, since it uses less digits than its factorization.

21883703684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5470925925 (or 5470925923 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 21883703684 in words is "twenty-one billion, eight hundred eighty-three million, seven hundred three thousand, six hundred eighty-four".