21075793282 has 16 divisors (see below), whose sum is σ = 35235073440. Its totient is φ = 9396019008.

The previous prime is 21075793279. The next prime is 21075793283. The reversal of 21075793282 is 28239757012.

It is not an unprimeable number, because it can be changed into a prime (21075793283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16311888 + ... + 16313179.

It is an arithmetic number, because the mean of its divisors is an integer number (2202192090).

Almost surely, 2^21075793282 is an apocalyptic number.

21075793282 is a deficient number, since it is larger than the sum of its proper divisors (14159280158).

21075793282 is a wasteful number, since it uses less digits than its factorization.

21075793282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32625105.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 21075793282 in words is "twenty-one billion, seventy-five million, seven hundred ninety-three thousand, two hundred eighty-two".