21944983000963 has 32 divisors (see below), whose sum is σ = 24069360107520. Its totient is φ = 19842552032160.

The previous prime is 21944983000921. The next prime is 21944983001027. The reversal of 21944983000963 is 36900038944912.

It is not a de Polignac number, because 21944983000963 - 2²⁹ = 21944446130051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21944983000898 and 21944983000907.

It is not an unprimeable number, because it can be changed into a prime (21944983000463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2219574606 + ... + 2219584492.

It is an arithmetic number, because the mean of its divisors is an integer number (752167503360).

Almost surely, 2^{21944983000963} is an apocalyptic number.

21944983000963 is a deficient number, since it is larger than the sum of its proper divisors (2124377106557).

21944983000963 is a wasteful number, since it uses less digits than its factorization.

21944983000963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11727.

The product of its (nonzero) digits is 10077696, while the sum is 58.

The spelling of 21944983000963 in words is "twenty-one trillion, nine hundred forty-four billion, nine hundred eighty-three million, nine hundred sixty-three", and thus it is an aban number.