21334893795 has 24 divisors (see below), whose sum is σ = 36983980176. Its totient is φ = 11377533888.

The previous prime is 21334893791. The next prime is 21334893847. The reversal of 21334893795 is 59739843312.

It is not a de Polignac number, because 21334893795 - 2² = 21334893791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21334893791) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 754584 + ... + 782346.

It is an arithmetic number, because the mean of its divisors is an integer number (1540999174).

Almost surely, 2^21334893795 is an apocalyptic number.

21334893795 is a deficient number, since it is larger than the sum of its proper divisors (15649086381).

21334893795 is a wasteful number, since it uses less digits than its factorization.

21334893795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44851 (or 44848 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The spelling of 21334893795 in words is "twenty-one billion, three hundred thirty-four million, eight hundred ninety-three thousand, seven hundred ninety-five".