21300879601 has 8 divisors (see below), whose sum is σ = 21459905280. Its totient is φ = 21141905568.

The previous prime is 21300879571. The next prime is 21300879629. The reversal of 21300879601 is 10697800312.

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 21300879601 - 2⁷ = 21300879473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21300879641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330120 + ... + 1346038.

It is an arithmetic number, because the mean of its divisors is an integer number (2682488160).

Almost surely, 2^21300879601 is an apocalyptic number.

It is an amenable number.

21300879601 is a deficient number, since it is larger than the sum of its proper divisors (159025679).

21300879601 is a wasteful number, since it uses less digits than its factorization.

21300879601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25823.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 21300879601 in words is "twenty-one billion, three hundred million, eight hundred seventy-nine thousand, six hundred one".