99318619 has 4 divisors (see below), whose sum is σ = 102002944. Its totient is φ = 96634296.

The previous prime is 99318599. The next prime is 99318631. The reversal of 99318619 is 91681399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91681399 = 211 ⋅434509.

It is a cyclic number.

It is not a de Polignac number, because 99318619 - 2¹⁷ = 99187547 is a prime.

It is a super-2 number, since 2×99318619² = 19728376160134322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99318679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342107 + ... + 1342180.

It is an arithmetic number, because the mean of its divisors is an integer number (25500736).

Almost surely, 2^99318619 is an apocalyptic number.

99318619 is a deficient number, since it is larger than the sum of its proper divisors (2684325).

99318619 is a wasteful number, since it uses less digits than its factorization.

99318619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684324.

The product of its digits is 104976, while the sum is 46.

The square root of 99318619 is about 9965.8727164258. The cubic root of 99318619 is about 463.1022496675.

The spelling of 99318619 in words is "ninety-nine million, three hundred eighteen thousand, six hundred nineteen".