21082967289351 has 48 divisors (see below), whose sum is σ = 33682357313280. Its totient is φ = 12600417490560.

The previous prime is 21082967289337. The next prime is 21082967289413. The reversal of 21082967289351 is 15398276928012.

21082967289351 is a `hidden beast` number, since 2 + 10 + 8 + 296 + 7 + 289 + 3 + 51 = 666.

It is not a de Polignac number, because 21082967289351 - 2⁶ = 21082967289287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21082967289301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43605790 + ... + 44086628.

It is an arithmetic number, because the mean of its divisors is an integer number (701715777360).

Almost surely, 2^{21082967289351} is an apocalyptic number.

21082967289351 is a deficient number, since it is larger than the sum of its proper divisors (12599390023929).

21082967289351 is a wasteful number, since it uses less digits than its factorization.

21082967289351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486996 (or 486993 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 21082967289351 in words is "twenty-one trillion, eighty-two billion, nine hundred sixty-seven million, two hundred eighty-nine thousand, three hundred fifty-one".