4278643935 has 16 divisors (see below), whose sum is σ = 6862911840. Its totient is φ = 2276249600.

The previous prime is 4278643909. The next prime is 4278643949. The reversal of 4278643935 is 5393468724.

It is not a de Polignac number, because 4278643935 - 2⁵ = 4278643903 is a prime.

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, 349650 + ... + 361679.

It is an arithmetic number, because the mean of its divisors is an integer number (428931990).

Almost surely, 2^4278643935 is an apocalyptic number.

4278643935 is a deficient number, since it is larger than the sum of its proper divisors (2584267905).

4278643935 is a wasteful number, since it uses less digits than its factorization.

4278643935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711738.

The product of its digits is 4354560, while the sum is 51.

The square root of 4278643935 is about 65411.3440849521. The cubic root of 4278643935 is about 1623.4367843547.

The spelling of 4278643935 in words is "four billion, two hundred seventy-eight million, six hundred forty-three thousand, nine hundred thirty-five".