4019819782 has 16 divisors (see below), whose sum is σ = 6579159552. Its totient is φ = 1826837320.

The previous prime is 4019819767. The next prime is 4019819789. The reversal of 4019819782 is 2879189104.

It is a super-4 number, since 4×4019819782⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4019819789) 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, 123783 + ... + 152845.

It is an arithmetic number, because the mean of its divisors is an integer number (411197472).

Almost surely, 2^4019819782 is an apocalyptic number.

4019819782 is a deficient number, since it is larger than the sum of its proper divisors (2559339770).

4019819782 is a wasteful number, since it uses less digits than its factorization.

4019819782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35363.

The product of its (nonzero) digits is 290304, while the sum is 49.

The square root of 4019819782 is about 63402.0487208418. The cubic root of 4019819782 is about 1590.0185620765.

The spelling of 4019819782 in words is "four billion, nineteen million, eight hundred nineteen thousand, seven hundred eighty-two".