2065346939 has 4 divisors (see below), whose sum is σ = 2155144656. Its totient is φ = 1975549224.

The previous prime is 2065346887. The next prime is 2065346947. The reversal of 2065346939 is 9396435602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065346939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2065346893 and 2065346902.

It is not an unprimeable number, because it can be changed into a prime (2065346839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44898824 + ... + 44898869.

It is an arithmetic number, because the mean of its divisors is an integer number (538786164).

Almost surely, 2^2065346939 is an apocalyptic number.

2065346939 is a deficient number, since it is larger than the sum of its proper divisors (89797717).

2065346939 is an equidigital number, since it uses as much as digits as its factorization.

2065346939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89797716.

The product of its (nonzero) digits is 1049760, while the sum is 47.

The square root of 2065346939 is about 45446.0882695090. The cubic root of 2065346939 is about 1273.4962538736.

The spelling of 2065346939 in words is "two billion, sixty-five million, three hundred forty-six thousand, nine hundred thirty-nine".