21010430059 has 2 divisors, whose sum is σ = 21010430060. Its totient is φ = 21010430058.

The previous prime is 21010430009. The next prime is 21010430093. The reversal of 21010430059 is 95003401012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21010430059 - 2¹¹ = 21010428011 is a prime.

It is not a weakly prime, because it can be changed into another prime (21010430009) 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, 10505215029 + 10505215030.

It is an arithmetic number, because the mean of its divisors is an integer number (10505215030).

Almost surely, 2^21010430059 is an apocalyptic number.

21010430059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21010430059 is an equidigital number, since it uses as much as digits as its factorization.

21010430059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 21010430059 in words is "twenty-one billion, ten million, four hundred thirty thousand, fifty-nine".