21092535359 has 8 divisors (see below), whose sum is σ = 24112266240. Its totient is φ = 18074432376.

The previous prime is 21092535337. The next prime is 21092535433. The reversal of 21092535359 is 95353529012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-21092535359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21092535329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379079 + ... + 431144.

It is an arithmetic number, because the mean of its divisors is an integer number (3014033280).

Almost surely, 2^21092535359 is an apocalyptic number.

21092535359 is a deficient number, since it is larger than the sum of its proper divisors (3019730881).

21092535359 is an equidigital number, since it uses as much as digits as its factorization.

21092535359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813949.

The product of its (nonzero) digits is 364500, while the sum is 44.

The spelling of 21092535359 in words is "twenty-one billion, ninety-two million, five hundred thirty-five thousand, three hundred fifty-nine".