21706868483 has 8 divisors (see below), whose sum is σ = 22103086800. Its totient is φ = 21311952480.

The previous prime is 21706868479. The next prime is 21706868509. The reversal of 21706868483 is 38486860712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21706868483 - 2² = 21706868479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21706868083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291908 + ... + 358641.

It is an arithmetic number, because the mean of its divisors is an integer number (2762885850).

Almost surely, 2^21706868483 is an apocalyptic number.

21706868483 is a deficient number, since it is larger than the sum of its proper divisors (396218317).

21706868483 is an equidigital number, since it uses as much as digits as its factorization.

21706868483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651157.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 21706868483 in words is "twenty-one billion, seven hundred six million, eight hundred sixty-eight thousand, four hundred eighty-three".