4381385291 has 8 divisors (see below), whose sum is σ = 4466400480. Its totient is φ = 4296457152.

The previous prime is 4381385269. The next prime is 4381385297. The reversal of 4381385291 is 1925831834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4381385291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4381385297) 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 7 ways as a sum of consecutive naturals, for example, 84890 + ... + 126368.

It is an arithmetic number, because the mean of its divisors is an integer number (558300060).

Almost surely, 2^4381385291 is an apocalyptic number.

4381385291 is a deficient number, since it is larger than the sum of its proper divisors (85015189).

4381385291 is a wasteful number, since it uses less digits than its factorization.

4381385291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43525.

The product of its digits is 207360, while the sum is 44.

The square root of 4381385291 is about 66192.0334405886. The cubic root of 4381385291 is about 1636.3284525096.

The spelling of 4381385291 in words is "four billion, three hundred eighty-one million, three hundred eighty-five thousand, two hundred ninety-one".