21300678286704 has 60 divisors (see below), whose sum is σ = 62204154716496. Its totient is φ = 6791520612096.

The previous prime is 21300678286651. The next prime is 21300678286753. The reversal of 21300678286704 is 40768287600312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3215678797 + ... + 3215685420.

Almost surely, 2^{21300678286704} is an apocalyptic number.

21300678286704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21300678286704 is an abundant number, since it is smaller than the sum of its proper divisors (40903476429792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21300678286704 is a wasteful number, since it uses less digits than its factorization.

21300678286704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431364254 (or 6431364245 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 21300678286704 in words is "twenty-one trillion, three hundred billion, six hundred seventy-eight million, two hundred eighty-six thousand, seven hundred four".