21300463966 has 16 divisors (see below), whose sum is σ = 32243958000. Its totient is φ = 10552828608.

The previous prime is 21300463957. The next prime is 21300463979. The reversal of 21300463966 is 66936400312.

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, 34501 + ... + 209263.

It is an arithmetic number, because the mean of its divisors is an integer number (2015247375).

Almost surely, 2^21300463966 is an apocalyptic number.

21300463966 is a deficient number, since it is larger than the sum of its proper divisors (10943494034).

21300463966 is a wasteful number, since it uses less digits than its factorization.

21300463966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175323.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 21300463966 in words is "twenty-one billion, three hundred million, four hundred sixty-three thousand, nine hundred sixty-six".