21984932233027 has 2 divisors, whose sum is σ = 21984932233028. Its totient is φ = 21984932233026.

The previous prime is 21984932232983. The next prime is 21984932233051. The reversal of 21984932233027 is 72033223948912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21984932233027 - 2³⁵ = 21950572494659 is a prime.

It is not a weakly prime, because it can be changed into another prime (21984932237027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10992466116513 + 10992466116514.

It is an arithmetic number, because the mean of its divisors is an integer number (10992466116514).

Almost surely, 2^{21984932233027} is an apocalyptic number.

21984932233027 is a deficient number, since it is larger than the sum of its proper divisors (1).

21984932233027 is an equidigital number, since it uses as much as digits as its factorization.

21984932233027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 21984932233027 in words is "twenty-one trillion, nine hundred eighty-four billion, nine hundred thirty-two million, two hundred thirty-three thousand, twenty-seven".