9719145113 has 4 divisors (see below), whose sum is σ = 9719612688. Its totient is φ = 9718677540.

The previous prime is 9719145101. The next prime is 9719145209. The reversal of 9719145113 is 3115419179.

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 9719145113 - 2¹⁰ = 9719144089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9719145313) 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, 201083 + ... + 244688.

It is an arithmetic number, because the mean of its divisors is an integer number (2429903172).

Almost surely, 2^9719145113 is an apocalyptic number.

It is an amenable number.

9719145113 is a deficient number, since it is larger than the sum of its proper divisors (467575).

9719145113 is a wasteful number, since it uses less digits than its factorization.

9719145113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467574.

The product of its digits is 34020, while the sum is 41.

The square root of 9719145113 is about 98585.7246917625. The cubic root of 9719145113 is about 2134.0734141550.

The spelling of 9719145113 in words is "nine billion, seven hundred nineteen million, one hundred forty-five thousand, one hundred thirteen".