3681346539 has 32 divisors (see below), whose sum is σ = 5579822080. Its totient is φ = 2140204032.

The previous prime is 3681346531. The next prime is 3681346553. The reversal of 3681346539 is 9356431863.

It is not a de Polignac number, because 3681346539 - 2³ = 3681346531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3681346531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265179 + ... + 278715.

It is an arithmetic number, because the mean of its divisors is an integer number (174369440).

Almost surely, 2^3681346539 is an apocalyptic number.

3681346539 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3681346539 is a deficient number, since it is larger than the sum of its proper divisors (1898475541).

3681346539 is a wasteful number, since it uses less digits than its factorization.

3681346539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13939.

The product of its digits is 1399680, while the sum is 48.

The square root of 3681346539 is about 60674.1010563815. The cubic root of 3681346539 is about 1544.0768096224.

The spelling of 3681346539 in words is "three billion, six hundred eighty-one million, three hundred forty-six thousand, five hundred thirty-nine".