2309798385871 has 8 divisors (see below), whose sum is σ = 2411145453024. Its totient is φ = 2208528072960.

The previous prime is 2309798385859. The next prime is 2309798385889. The reversal of 2309798385871 is 1785838979032.

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

It is a cyclic number.

It is not a de Polignac number, because 2309798385871 - 2²¹ = 2309796288719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2309798385871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309798395871) 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, 19127050 + ... + 19247431.

It is an arithmetic number, because the mean of its divisors is an integer number (301393181628).

Almost surely, 2^{2309798385871} is an apocalyptic number.

2309798385871 is a deficient number, since it is larger than the sum of its proper divisors (101347067153).

2309798385871 is a wasteful number, since it uses less digits than its factorization.

2309798385871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38377121.

The product of its (nonzero) digits is 182891520, while the sum is 70.

The spelling of 2309798385871 in words is "two trillion, three hundred nine billion, seven hundred ninety-eight million, three hundred eighty-five thousand, eight hundred seventy-one".