21134244344359 has 2 divisors, whose sum is σ = 21134244344360. Its totient is φ = 21134244344358.

The previous prime is 21134244344201. The next prime is 21134244344431. The reversal of 21134244344359 is 95344344243112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21134244344359 - 2²³ = 21134235955751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21134244344459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10567122172179 + 10567122172180.

It is an arithmetic number, because the mean of its divisors is an integer number (10567122172180).

Almost surely, 2^{21134244344359} is an apocalyptic number.

21134244344359 is a deficient number, since it is larger than the sum of its proper divisors (1).

21134244344359 is an equidigital number, since it uses as much as digits as its factorization.

21134244344359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 49.

The spelling of 21134244344359 in words is "twenty-one trillion, one hundred thirty-four billion, two hundred forty-four million, three hundred forty-four thousand, three hundred fifty-nine".