21085598314 has 16 divisors (see below), whose sum is σ = 34505948736. Its totient is φ = 9583740000.

The previous prime is 21085598309. The next prime is 21085598329. The reversal of 21085598314 is 41389558012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593254 + ... + 627790.

It is an arithmetic number, because the mean of its divisors is an integer number (2156621796).

Almost surely, 2^21085598314 is an apocalyptic number.

21085598314 is a deficient number, since it is larger than the sum of its proper divisors (13420350422).

21085598314 is a wasteful number, since it uses less digits than its factorization.

21085598314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62301.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 21085598314 in words is "twenty-one billion, eighty-five million, five hundred ninety-eight thousand, three hundred fourteen".