21883950139 has 8 divisors (see below), whose sum is σ = 23366483712. Its totient is φ = 20445671400.

The previous prime is 21883950119. The next prime is 21883950161. The reversal of 21883950139 is 93105938812.

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 21883950139 - 2⁹ = 21883949627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21883950092 and 21883950101.

It is not an unprimeable number, because it can be changed into a prime (21883950119) 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, 11062687 + ... + 11064664.

It is an arithmetic number, because the mean of its divisors is an integer number (2920810464).

Almost surely, 2^21883950139 is an apocalyptic number.

21883950139 is a deficient number, since it is larger than the sum of its proper divisors (1482533573).

21883950139 is a wasteful number, since it uses less digits than its factorization.

21883950139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22127417.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 21883950139 in words is "twenty-one billion, eight hundred eighty-three million, nine hundred fifty thousand, one hundred thirty-nine".