21300710451 has 8 divisors (see below), whose sum is σ = 28443150480. Its totient is φ = 14179372032.

The previous prime is 21300710413. The next prime is 21300710479. The reversal of 21300710451 is 15401700312.

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

It is not a de Polignac number, because 21300710451 - 2¹⁰ = 21300709427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21300710491) 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 7 ways as a sum of consecutive naturals, for example, 5273046 + ... + 5277083.

It is an arithmetic number, because the mean of its divisors is an integer number (3555393810).

Almost surely, 2^21300710451 is an apocalyptic number.

21300710451 is a deficient number, since it is larger than the sum of its proper divisors (7142440029).

21300710451 is a wasteful number, since it uses less digits than its factorization.

21300710451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550805.

The product of its (nonzero) digits is 840, while the sum is 24.

The spelling of 21300710451 in words is "twenty-one billion, three hundred million, seven hundred ten thousand, four hundred fifty-one".