21892071282 has 16 divisors (see below), whose sum is σ = 46088571360. Its totient is φ = 6913285632.

The previous prime is 21892071269. The next prime is 21892071293. The reversal of 21892071282 is 28217029812.

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, 96017743 + ... + 96017970.

It is an arithmetic number, because the mean of its divisors is an integer number (2880535710).

Almost surely, 2^21892071282 is an apocalyptic number.

21892071282 is an abundant number, since it is smaller than the sum of its proper divisors (24196500078).

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

21892071282 is a wasteful number, since it uses less digits than its factorization.

21892071282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192035737.

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 21892071282 in words is "twenty-one billion, eight hundred ninety-two million, seventy-one thousand, two hundred eighty-two".