4394278473 has 32 divisors (see below), whose sum is σ = 6695974656. Its totient is φ = 2539358208.

The previous prime is 4394278459. The next prime is 4394278477. The reversal of 4394278473 is 3748724934.

It is a happy number.

It is not a de Polignac number, because 4394278473 - 2⁴ = 4394278457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (4394278477) 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 31 ways as a sum of consecutive naturals, for example, 295740 + ... + 310242.

It is an arithmetic number, because the mean of its divisors is an integer number (209249208).

Almost surely, 2^4394278473 is an apocalyptic number.

It is an amenable number.

4394278473 is a deficient number, since it is larger than the sum of its proper divisors (2301696183).

4394278473 is a wasteful number, since it uses less digits than its factorization.

4394278473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14993.

The product of its digits is 4064256, while the sum is 51.

The square root of 4394278473 is about 66289.3541452924. The cubic root of 4394278473 is about 1637.9319651181.

The spelling of 4394278473 in words is "four billion, three hundred ninety-four million, two hundred seventy-eight thousand, four hundred seventy-three".