4278643934 has 32 divisors (see below), whose sum is σ = 7014988800. Its totient is φ = 1949482080.

The previous prime is 4278643909. The next prime is 4278643949. The reversal of 4278643934 is 4393468724.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291479 + ... + 305805.

It is an arithmetic number, because the mean of its divisors is an integer number (219218400).

Almost surely, 2^4278643934 is an apocalyptic number.

4278643934 is a deficient number, since it is larger than the sum of its proper divisors (2736344866).

4278643934 is a wasteful number, since it uses less digits than its factorization.

4278643934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14648.

The product of its digits is 3483648, while the sum is 50.

The square root of 4278643934 is about 65411.3440773082. The cubic root of 4278643934 is about 1623.4367842282.

The spelling of 4278643934 in words is "four billion, two hundred seventy-eight million, six hundred forty-three thousand, nine hundred thirty-four".