21233676254 has 64 divisors (see below), whose sum is σ = 37764679680. Its totient is φ = 8764640640.

The previous prime is 21233676193. The next prime is 21233676283. The reversal of 21233676254 is 45267633212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33650519 + ... + 33651149.

It is an arithmetic number, because the mean of its divisors is an integer number (590073120).

Almost surely, 2^21233676254 is an apocalyptic number.

21233676254 is a deficient number, since it is larger than the sum of its proper divisors (16531003426).

21233676254 is a wasteful number, since it uses less digits than its factorization.

21233676254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233.

The product of its digits is 362880, while the sum is 41.

The spelling of 21233676254 in words is "twenty-one billion, two hundred thirty-three million, six hundred seventy-six thousand, two hundred fifty-four".