21410133193 has 2 divisors, whose sum is σ = 21410133194. Its totient is φ = 21410133192.

The previous prime is 21410133169. The next prime is 21410133247. The reversal of 21410133193 is 39133101412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21069103104 + 341030089 = 145152^2 + 18467^2 .

It is a cyclic number.

It is not a de Polignac number, because 21410133193 - 2¹⁷ = 21410002121 is a prime.

It is not a weakly prime, because it can be changed into another prime (21410133893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705066596 + 10705066597.

It is an arithmetic number, because the mean of its divisors is an integer number (10705066597).

Almost surely, 2^21410133193 is an apocalyptic number.

It is an amenable number.

21410133193 is a deficient number, since it is larger than the sum of its proper divisors (1).

21410133193 is an equidigital number, since it uses as much as digits as its factorization.

21410133193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 21410133193 in words is "twenty-one billion, four hundred ten million, one hundred thirty-three thousand, one hundred ninety-three".