4279643946 has 12 divisors (see below), whose sum is σ = 9272561922. Its totient is φ = 1426547976.

The previous prime is 4279643897. The next prime is 4279643959. The reversal of 4279643946 is 6493469724.

4279643946 is a `hidden beast` number, since 427 + 96 + 43 + 94 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3992849721 + 286794225 = 63189^2 + 16935^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4279643892 and 4279643901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118878981 + ... + 118879016.

Almost surely, 2^4279643946 is an apocalyptic number.

4279643946 is an abundant number, since it is smaller than the sum of its proper divisors (4992917976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4279643946 is a wasteful number, since it uses less digits than its factorization.

4279643946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237758005 (or 237758002 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The square root of 4279643946 is about 65418.9876564901. The cubic root of 4279643946 is about 1623.5632518527.

The spelling of 4279643946 in words is "four billion, two hundred seventy-nine million, six hundred forty-three thousand, nine hundred forty-six".