2309349785919 has 8 divisors (see below), whose sum is σ = 3359054234112. Its totient is φ = 1399605930840.

The previous prime is 2309349785917. The next prime is 2309349785921. The reversal of 2309349785919 is 9195879439032.

It is an interprime number because it is at equal distance from previous prime (2309349785917) and next prime (2309349785921).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2309349785919 - 2¹ = 2309349785917 is a prime.

It is a super-2 number, since 2×2309349785919² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309349785917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34990148239 + ... + 34990148304.

It is an arithmetic number, because the mean of its divisors is an integer number (419881779264).

Almost surely, 2^{2309349785919} is an apocalyptic number.

2309349785919 is a deficient number, since it is larger than the sum of its proper divisors (1049704448193).

2309349785919 is a wasteful number, since it uses less digits than its factorization.

2309349785919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69980296557.

The product of its (nonzero) digits is 132269760, while the sum is 69.

The spelling of 2309349785919 in words is "two trillion, three hundred nine billion, three hundred forty-nine million, seven hundred eighty-five thousand, nine hundred nineteen".