21230404098 has 8 divisors (see below), whose sum is σ = 42460808208. Its totient is φ = 7076801364.

The previous prime is 21230404073. The next prime is 21230404109. The reversal of 21230404098 is 89040403212.

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

21230404098 is an admirable number.

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, 1769200336 + ... + 1769200347.

It is an arithmetic number, because the mean of its divisors is an integer number (5307601026).

Almost surely, 2^21230404098 is an apocalyptic number.

21230404098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21230404098 is a wasteful number, since it uses less digits than its factorization.

21230404098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538400688.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 21230404098 in words is "twenty-one billion, two hundred thirty million, four hundred four thousand, ninety-eight".