99386976049 has 3 divisors (see below), whose sum is σ = 99387291307. Its totient is φ = 99386660792.

The previous prime is 99386976041. The next prime is 99386976077. The reversal of 99386976049 is 94067968399.

The square root of 99386976049 is 315257.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94067968399 = 47837 ⋅1966427.

It can be written as a sum of positive squares in only one way, i.e., 76515858225 + 22871117824 = 276615^2 + 151232^2 .

It is not a de Polignac number, because 99386976049 - 2³ = 99386976041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99386976041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 157629 + ... + 472885.

Almost surely, 2^99386976049 is an apocalyptic number.

99386976049 is the 315257-th square number.

99386976049 is the 157629-th centered octagonal number.

It is an amenable number.

99386976049 is a deficient number, since it is larger than the sum of its proper divisors (315258).

99386976049 is an frugal number, since it uses more digits than its factorization.

99386976049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630514 (or 315257 counting only the distinct ones).

The product of its (nonzero) digits is 158723712, while the sum is 70.

The spelling of 99386976049 in words is "ninety-nine billion, three hundred eighty-six million, nine hundred seventy-six thousand, forty-nine".