99998458494 has 64 divisors (see below), whose sum is σ = 219005130240. Its totient is φ = 30187952000.

The previous prime is 99998458489. The next prime is 99998458577. The reversal of 99998458494 is 49485489999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27238279 + ... + 27241949.

It is an arithmetic number, because the mean of its divisors is an integer number (3421955160).

Almost surely, 2^99998458494 is an apocalyptic number.

99998458494 is an abundant number, since it is smaller than the sum of its proper divisors (119006671746).

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

99998458494 is a wasteful number, since it uses less digits than its factorization.

99998458494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137.

The product of its digits is 1209323520, while the sum is 78.

The spelling of 99998458494 in words is "ninety-nine billion, nine hundred ninety-eight million, four hundred fifty-eight thousand, four hundred ninety-four".