21010241459 has 2 divisors, whose sum is σ = 21010241460. Its totient is φ = 21010241458.

The previous prime is 21010241429. The next prime is 21010241467. The reversal of 21010241459 is 95414201012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21010241459 is a prime.

It is not a weakly prime, because it can be changed into another prime (21010241429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505120729 + 10505120730.

It is an arithmetic number, because the mean of its divisors is an integer number (10505120730).

Almost surely, 2^21010241459 is an apocalyptic number.

21010241459 is a deficient number, since it is larger than the sum of its proper divisors (1).

21010241459 is an equidigital number, since it uses as much as digits as its factorization.

21010241459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 21010241459 in words is "twenty-one billion, ten million, two hundred forty-one thousand, four hundred fifty-nine".