9198919313 has 4 divisors (see below), whose sum is σ = 9199269360. Its totient is φ = 9198569268.

The previous prime is 9198919291. The next prime is 9198919337. The reversal of 9198919313 is 3139198919.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9198919313 - 2⁸ = 9198919057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9198919813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132095 + ... + 189332.

It is an arithmetic number, because the mean of its divisors is an integer number (2299817340).

Almost surely, 2^9198919313 is an apocalyptic number.

It is an amenable number.

9198919313 is a deficient number, since it is larger than the sum of its proper divisors (350047).

9198919313 is a wasteful number, since it uses less digits than its factorization.

9198919313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350046.

The product of its digits is 472392, while the sum is 53.

The square root of 9198919313 is about 95910.9968303948. The cubic root of 9198919313 is about 2095.2970578784.

The spelling of 9198919313 in words is "nine billion, one hundred ninety-eight million, nine hundred nineteen thousand, three hundred thirteen".