99397698149 has 8 divisors (see below), whose sum is σ = 99795395520. Its totient is φ = 99000672736.

The previous prime is 99397698139. The next prime is 99397698161. The reversal of 99397698149 is 94189679399.

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

It is a cyclic number.

It is not a de Polignac number, because 99397698149 - 2¹⁶ = 99397632613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99397698139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129497 + ... + 464289.

It is an arithmetic number, because the mean of its divisors is an integer number (12474424440).

Almost surely, 2^99397698149 is an apocalyptic number.

It is an amenable number.

99397698149 is a deficient number, since it is larger than the sum of its proper divisors (397697371).

99397698149 is a wasteful number, since it uses less digits than its factorization.

99397698149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335979.

The product of its digits is 238085568, while the sum is 74.

The spelling of 99397698149 in words is "ninety-nine billion, three hundred ninety-seven million, six hundred ninety-eight thousand, one hundred forty-nine".