21300300005 has 8 divisors (see below), whose sum is σ = 25581267072. Its totient is φ = 17026301968.

The previous prime is 21300299989. The next prime is 21300300013. The reversal of 21300300005 is 50000300312.

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 21300300005 - 2⁴ = 21300299989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1735529 + ... + 1747758.

It is an arithmetic number, because the mean of its divisors is an integer number (3197658384).

Almost surely, 2^21300300005 is an apocalyptic number.

It is an amenable number.

21300300005 is a deficient number, since it is larger than the sum of its proper divisors (4280967067).

21300300005 is a wasteful number, since it uses less digits than its factorization.

21300300005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484515.

The product of its (nonzero) digits is 90, while the sum is 14.

Adding to 21300300005 its reverse (50000300312), we get a palindrome (71300600317).

The spelling of 21300300005 in words is "twenty-one billion, three hundred million, three hundred thousand, five".