21883383839057 has 8 divisors (see below), whose sum is σ = 24203659464936. Its totient is φ = 19654099414272.

The previous prime is 21883383838969. The next prime is 21883383839069. The reversal of 21883383839057 is 75093838338812.

It can be written as a sum of positive squares in 4 ways, for example, as 766270886161 + 21117112952896 = 875369^2 + 4595336^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 21883383839057 - 2³⁸ = 21608505932113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21883383830057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22747799768 + ... + 22747800729.

It is an arithmetic number, because the mean of its divisors is an integer number (3025457433117).

Almost surely, 2^{21883383839057} is an apocalyptic number.

It is an amenable number.

21883383839057 is a deficient number, since it is larger than the sum of its proper divisors (2320275625879).

21883383839057 is a wasteful number, since it uses less digits than its factorization.

21883383839057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45495600547.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 21883383839057 in words is "twenty-one trillion, eight hundred eighty-three billion, three hundred eighty-three million, eight hundred thirty-nine thousand, fifty-seven".