4349273378 has 6 divisors (see below), whose sum is σ = 6524049969. Its totient is φ = 2174590056.

The previous prime is 4349273359. The next prime is 4349273381. The reversal of 4349273378 is 8733729434.

It can be written as a sum of positive squares in 2 ways, for example, as 4057307809 + 291965569 = 63697^2 + 17087^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=46633.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 69950 + ... + 116582.

Almost surely, 2^4349273378 is an apocalyptic number.

4349273378 is a deficient number, since it is larger than the sum of its proper divisors (2174776591).

4349273378 is an frugal number, since it uses more digits than its factorization.

4349273378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93268 (or 46635 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 50.

The square root of 4349273378 is about 65949.0210541445. The cubic root of 4349273378 is about 1632.3210035237.

Multiplying 4349273378 by its sum of digits (50), we get a square (217463668900 = 466330²).

The spelling of 4349273378 in words is "four billion, three hundred forty-nine million, two hundred seventy-three thousand, three hundred seventy-eight".