99549154724 has 96 divisors (see below), whose sum is σ = 191182602240. Its totient is φ = 45196704000.

The previous prime is 99549154721. The next prime is 99549154739. The reversal of 99549154724 is 42745194599.

99549154724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (99549154721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42342149 + ... + 42344499.

It is an arithmetic number, because the mean of its divisors is an integer number (1991485440).

Almost surely, 2^99549154724 is an apocalyptic number.

It is an amenable number.

99549154724 is a deficient number, since it is larger than the sum of its proper divisors (91633447516).

99549154724 is a wasteful number, since it uses less digits than its factorization.

99549154724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2647 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 59.

The spelling of 99549154724 in words is "ninety-nine billion, five hundred forty-nine million, one hundred fifty-four thousand, seven hundred twenty-four".