4394943497 has 16 divisors (see below), whose sum is σ = 5083478400. Its totient is φ = 3721835520.

The previous prime is 4394943491. The next prime is 4394943499. The reversal of 4394943497 is 7943494934.

It is a cyclic number.

It is not a de Polignac number, because 4394943497 - 2¹² = 4394939401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4394943491) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 199529 + ... + 220457.

It is an arithmetic number, because the mean of its divisors is an integer number (317717400).

Almost surely, 2^4394943497 is an apocalyptic number.

It is an amenable number.

4394943497 is a deficient number, since it is larger than the sum of its proper divisors (688534903).

4394943497 is a wasteful number, since it uses less digits than its factorization.

4394943497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21296.

The product of its digits is 11757312, while the sum is 56.

The square root of 4394943497 is about 66294.3700249124. The cubic root of 4394943497 is about 1638.0145883996.

The spelling of 4394943497 in words is "four billion, three hundred ninety-four million, nine hundred forty-three thousand, four hundred ninety-seven".