21936234293059 has 2 divisors, whose sum is σ = 21936234293060. Its totient is φ = 21936234293058.

The previous prime is 21936234293041. The next prime is 21936234293119. The reversal of 21936234293059 is 95039243263912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21936234293059 - 2³⁵ = 21901874554691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21936234292994 and 21936234293012.

It is not a weakly prime, because it can be changed into another prime (21936234293009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10968117146529 + 10968117146530.

It is an arithmetic number, because the mean of its divisors is an integer number (10968117146530).

Almost surely, 2^{21936234293059} is an apocalyptic number.

21936234293059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21936234293059 is an equidigital number, since it uses as much as digits as its factorization.

21936234293059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18895680, while the sum is 58.

The spelling of 21936234293059 in words is "twenty-one trillion, nine hundred thirty-six billion, two hundred thirty-four million, two hundred ninety-three thousand, fifty-nine".