21793505098 has 8 divisors (see below), whose sum is σ = 32810886720. Its totient is φ = 10856542860.

The previous prime is 21793505089. The next prime is 21793505119. The reversal of 21793505098 is 89050539712.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20104168 + ... + 20105251.

It is an arithmetic number, because the mean of its divisors is an integer number (4101360840).

Almost surely, 2^21793505098 is an apocalyptic number.

21793505098 is a deficient number, since it is larger than the sum of its proper divisors (11017381622).

21793505098 is a wasteful number, since it uses less digits than its factorization.

21793505098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40209692.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 21793505098 in words is "twenty-one billion, seven hundred ninety-three million, five hundred five thousand, ninety-eight".