21300563068 has 12 divisors (see below), whose sum is σ = 37382795800. Its totient is φ = 10619764272.

The previous prime is 21300563027. The next prime is 21300563069. The reversal of 21300563068 is 86036500312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300563069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7627746 + ... + 7630537.

Almost surely, 2^21300563068 is an apocalyptic number.

It is an amenable number.

21300563068 is a deficient number, since it is larger than the sum of its proper divisors (16082232732).

21300563068 is a wasteful number, since it uses less digits than its factorization.

21300563068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15258636 (or 15258634 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 21300563068 in words is "twenty-one billion, three hundred million, five hundred sixty-three thousand, sixty-eight".