2311849689 has 16 divisors (see below), whose sum is σ = 3112255872. Its totient is φ = 1526407808.

The previous prime is 2311849667. The next prime is 2311849693. The reversal of 2311849689 is 9869481132.

It is a cyclic number.

It is not a de Polignac number, because 2311849689 - 2⁸ = 2311849433 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2311849699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128029 + ... + 144965.

It is an arithmetic number, because the mean of its divisors is an integer number (194515992).

Almost surely, 2^2311849689 is an apocalyptic number.

It is an amenable number.

2311849689 is a deficient number, since it is larger than the sum of its proper divisors (800406183).

2311849689 is a wasteful number, since it uses less digits than its factorization.

2311849689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17376.

The product of its digits is 746496, while the sum is 51.

The square root of 2311849689 is about 48081.6980669360. The cubic root of 2311849689 is about 1322.2691473749.

The spelling of 2311849689 in words is "two billion, three hundred eleven million, eight hundred forty-nine thousand, six hundred eighty-nine".