3081640329 has 8 divisors (see below), whose sum is σ = 4565393120. Its totient is φ = 2054426868.

The previous prime is 3081640327. The next prime is 3081640333. The reversal of 3081640329 is 9230461803.

3081640329 is a `hidden beast` number, since 3 + 0 + 8 + 1 + 640 + 3 + 2 + 9 = 666.

It is not a de Polignac number, because 3081640329 - 2¹ = 3081640327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3081640293 and 3081640302.

It is not an unprimeable number, because it can be changed into a prime (3081640327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57067387 + ... + 57067440.

It is an arithmetic number, because the mean of its divisors is an integer number (570674140).

Almost surely, 2^3081640329 is an apocalyptic number.

It is an amenable number.

3081640329 is a deficient number, since it is larger than the sum of its proper divisors (1483752791).

3081640329 is a wasteful number, since it uses less digits than its factorization.

3081640329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114134836 (or 114134830 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 3081640329 is about 55512.5240734017. The cubic root of 3081640329 is about 1455.2155148932.

The spelling of 3081640329 in words is "three billion, eighty-one million, six hundred forty thousand, three hundred twenty-nine".