21410271235 has 16 divisors (see below), whose sum is σ = 26781179040. Its totient is φ = 16411333120.

The previous prime is 21410271221. The next prime is 21410271247. The reversal of 21410271235 is 53217201412.

It is not a de Polignac number, because 21410271235 - 2⁷ = 21410271107 is a prime.

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, 544582 + ... + 582571.

It is an arithmetic number, because the mean of its divisors is an integer number (1673823690).

Almost surely, 2^21410271235 is an apocalyptic number.

21410271235 is a deficient number, since it is larger than the sum of its proper divisors (5370907805).

21410271235 is a wasteful number, since it uses less digits than its factorization.

21410271235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127318.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 21410271235 its reverse (53217201412), we get a palindrome (74627472647).

The spelling of 21410271235 in words is "twenty-one billion, four hundred ten million, two hundred seventy-one thousand, two hundred thirty-five".