21041410235 has 16 divisors (see below), whose sum is σ = 25832956800. Its totient is φ = 16448679936.

The previous prime is 21041410223. The next prime is 21041410283. The reversal of 21041410235 is 53201414012.

It is a cyclic number.

It is not a de Polignac number, because 21041410235 - 2⁴ = 21041410219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21041410235.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236270 + ... + 312899.

It is an arithmetic number, because the mean of its divisors is an integer number (1614559800).

Almost surely, 2^21041410235 is an apocalyptic number.

21041410235 is a deficient number, since it is larger than the sum of its proper divisors (4791546565).

21041410235 is an equidigital number, since it uses as much as digits as its factorization.

21041410235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549350.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 21041410235 its reverse (53201414012), we get a palindrome (74242824247).

The spelling of 21041410235 in words is "twenty-one billion, forty-one million, four hundred ten thousand, two hundred thirty-five".