21468254335 has 16 divisors (see below), whose sum is σ = 28116110880. Its totient is φ = 15606490240.

The previous prime is 21468254333. The next prime is 21468254363. The reversal of 21468254335 is 53345286412.

It is not a de Polignac number, because 21468254335 - 2¹ = 21468254333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21468254291 and 21468254300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21468254333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44661 + ... + 211969.

It is an arithmetic number, because the mean of its divisors is an integer number (1757256930).

Almost surely, 2^21468254335 is an apocalyptic number.

21468254335 is a deficient number, since it is larger than the sum of its proper divisors (6647856545).

21468254335 is a wasteful number, since it uses less digits than its factorization.

21468254335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169658.

The product of its digits is 691200, while the sum is 43.

The spelling of 21468254335 in words is "twenty-one billion, four hundred sixty-eight million, two hundred fifty-four thousand, three hundred thirty-five".