3892731408385 has 16 divisors (see below), whose sum is σ = 4737237609600. Its totient is φ = 3070214945280.

The previous prime is 3892731408361. The next prime is 3892731408389. The reversal of 3892731408385 is 5838041372983.

It is not a de Polignac number, because 3892731408385 - 2⁵ = 3892731408353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3892731408389) 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 15 ways as a sum of consecutive naturals, for example, 10742641 + ... + 11099089.

It is an arithmetic number, because the mean of its divisors is an integer number (296077350600).

Almost surely, 2^{3892731408385} is an apocalyptic number.

It is an amenable number.

3892731408385 is a deficient number, since it is larger than the sum of its proper divisors (844506201215).

3892731408385 is a wasteful number, since it uses less digits than its factorization.

3892731408385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387288.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 3892731408385 in words is "three trillion, eight hundred ninety-two billion, seven hundred thirty-one million, four hundred eight thousand, three hundred eighty-five".