99491498254 has 16 divisors (see below), whose sum is σ = 150116181120. Its totient is φ = 49452939000.

The previous prime is 99491498219. The next prime is 99491498287. The reversal of 99491498254 is 45289419499.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199629 + ... + 1279879.

It is an arithmetic number, because the mean of its divisors is an integer number (9382261320).

Almost surely, 2^99491498254 is an apocalyptic number.

99491498254 is a deficient number, since it is larger than the sum of its proper divisors (50624682866).

99491498254 is a wasteful number, since it uses less digits than its factorization.

99491498254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83895.

The product of its digits is 33592320, while the sum is 64.

The spelling of 99491498254 in words is "ninety-nine billion, four hundred ninety-one million, four hundred ninety-eight thousand, two hundred fifty-four".