4191428782 has 16 divisors (see below), whose sum is σ = 6628138272. Its totient is φ = 1983928320.

The previous prime is 4191428779. The next prime is 4191428789. The reversal of 4191428782 is 2878241914.

4191428782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4191428789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465219 + ... + 474142.

It is an arithmetic number, because the mean of its divisors is an integer number (414258642).

Almost surely, 2^4191428782 is an apocalyptic number.

4191428782 is a deficient number, since it is larger than the sum of its proper divisors (2436709490).

4191428782 is a wasteful number, since it uses less digits than its factorization.

4191428782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939483.

The product of its digits is 258048, while the sum is 46.

The square root of 4191428782 is about 64741.2448289342. The cubic root of 4191428782 is about 1612.3303550231.

The spelling of 4191428782 in words is "four billion, one hundred ninety-one million, four hundred twenty-eight thousand, seven hundred eighty-two".