2185313039 has 24 divisors (see below), whose sum is σ = 2779287840. Its totient is φ = 1673196480.

The previous prime is 2185313033. The next prime is 2185313041. The reversal of 2185313039 is 9303135812.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2185313039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185313033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74957 + ... + 99945.

It is an arithmetic number, because the mean of its divisors is an integer number (115803660).

Almost surely, 2^2185313039 is an apocalyptic number.

2185313039 is a deficient number, since it is larger than the sum of its proper divisors (593974801).

2185313039 is a wasteful number, since it uses less digits than its factorization.

2185313039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25071 (or 25040 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2185313039 is about 46747.3318917775. The cubic root of 2185313039 is about 1297.6907799952.

The spelling of 2185313039 in words is "two billion, one hundred eighty-five million, three hundred thirteen thousand, thirty-nine".