3449381782 has 64 divisors (see below), whose sum is σ = 6653767680. Its totient is φ = 1302285600.

The previous prime is 3449381773. The next prime is 3449381843. The reversal of 3449381782 is 2871839443.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 642433 + ... + 647779.

It is an arithmetic number, because the mean of its divisors is an integer number (103965120).

Almost surely, 2^3449381782 is an apocalyptic number.

3449381782 is a deficient number, since it is larger than the sum of its proper divisors (3204385898).

3449381782 is a wasteful number, since it uses less digits than its factorization.

3449381782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497.

The product of its digits is 1161216, while the sum is 49.

The square root of 3449381782 is about 58731.4377654762. The cubic root of 3449381782 is about 1510.9395468504.

The spelling of 3449381782 in words is "three billion, four hundred forty-nine million, three hundred eighty-one thousand, seven hundred eighty-two".