299345785919 has 4 divisors (see below), whose sum is σ = 299365413696. Its totient is φ = 299326158144.

The previous prime is 299345785861. The next prime is 299345785957. The reversal of 299345785919 is 919587543992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 299345785919 - 2²⁰ = 299344737343 is a prime.

It is a super-2 number, since 2×299345785919² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299345785019) 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, 9790994 + ... + 9821519.

It is an arithmetic number, because the mean of its divisors is an integer number (74841353424).

Almost surely, 2^299345785919 is an apocalyptic number.

299345785919 is a deficient number, since it is larger than the sum of its proper divisors (19627777).

299345785919 is a wasteful number, since it uses less digits than its factorization.

299345785919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19627776.

The product of its digits is 220449600, while the sum is 71.

The spelling of 299345785919 in words is "two hundred ninety-nine billion, three hundred forty-five million, seven hundred eighty-five thousand, nine hundred nineteen".