4279391289 has 12 divisors (see below), whose sum is σ = 6187351872. Its totient is φ = 2850154200.

The previous prime is 4279391287. The next prime is 4279391297. The reversal of 4279391289 is 9821939724.

4279391289 is a `hidden beast` number, since 4 + 279 + 3 + 91 + 289 = 666.

It is not a de Polignac number, because 4279391289 - 2¹ = 4279391287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4279391287) 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 11 ways as a sum of consecutive naturals, for example, 221317 + ... + 239874.

It is an arithmetic number, because the mean of its divisors is an integer number (515612656).

Almost surely, 2^4279391289 is an apocalyptic number.

It is an amenable number.

4279391289 is a deficient number, since it is larger than the sum of its proper divisors (1907960583).

4279391289 is a wasteful number, since it uses less digits than its factorization.

4279391289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462228 (or 462225 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 4279391289 is about 65417.0565601969. The cubic root of 4279391289 is about 1623.5313011656.

The spelling of 4279391289 in words is "four billion, two hundred seventy-nine million, three hundred ninety-one thousand, two hundred eighty-nine".