21283688701704 has 128 divisors (see below), whose sum is σ = 62516797822080. Its totient is φ = 5952977971200.

The previous prime is 21283688701687. The next prime is 21283688701727. The reversal of 21283688701704 is 40710788638212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41467764 + ... + 41977884.

It is an arithmetic number, because the mean of its divisors is an integer number (488412482985).

Almost surely, 2^{21283688701704} is an apocalyptic number.

21283688701704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21283688701704 is an abundant number, since it is smaller than the sum of its proper divisors (41233109120376).

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

21283688701704 is a wasteful number, since it uses less digits than its factorization.

21283688701704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522311 (or 522307 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 57.

The spelling of 21283688701704 in words is "twenty-one trillion, two hundred eighty-three billion, six hundred eighty-eight million, seven hundred one thousand, seven hundred four".