21333614373 has 12 divisors (see below), whose sum is σ = 32155013280. Its totient is φ = 13604043816.

The previous prime is 21333614359. The next prime is 21333614399. The reversal of 21333614373 is 37341633312.

21333614373 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 3 + 614 + 37 + 3 = 666.

It is not a de Polignac number, because 21333614373 - 2¹³ = 21333606181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333614303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51530263 + ... + 51530676.

It is an arithmetic number, because the mean of its divisors is an integer number (2679584440).

Almost surely, 2^21333614373 is an apocalyptic number.

21333614373 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21333614373 is a deficient number, since it is larger than the sum of its proper divisors (10821398907).

21333614373 is a wasteful number, since it uses less digits than its factorization.

21333614373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103060968 (or 103060965 counting only the distinct ones).

The product of its digits is 81648, while the sum is 36.

The spelling of 21333614373 in words is "twenty-one billion, three hundred thirty-three million, six hundred fourteen thousand, three hundred seventy-three".