21302441059 has 2 divisors, whose sum is σ = 21302441060. Its totient is φ = 21302441058.

The previous prime is 21302441029. The next prime is 21302441063. The reversal of 21302441059 is 95014420312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21302441059 - 2⁹ = 21302440547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21302441059.

It is not a weakly prime, because it can be changed into another prime (21302441029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651220529 + 10651220530.

It is an arithmetic number, because the mean of its divisors is an integer number (10651220530).

Almost surely, 2^21302441059 is an apocalyptic number.

21302441059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21302441059 is an equidigital number, since it uses as much as digits as its factorization.

21302441059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 21302441059 in words is "twenty-one billion, three hundred two million, four hundred forty-one thousand, fifty-nine".