4396749578 has 8 divisors (see below), whose sum is σ = 7102441668. Its totient is φ = 2029269024.

The previous prime is 4396749563. The next prime is 4396749619. The reversal of 4396749578 is 8759476934.

It can be written as a sum of positive squares in 2 ways, for example, as 3522778609 + 873970969 = 59353^2 + 29563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4396749578.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84552851 + ... + 84552902.

Almost surely, 2^4396749578 is an apocalyptic number.

4396749578 is a deficient number, since it is larger than the sum of its proper divisors (2705692090).

4396749578 is a wasteful number, since it uses less digits than its factorization.

4396749578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169105768.

The product of its digits is 45722880, while the sum is 62.

The square root of 4396749578 is about 66307.9903028285. The cubic root of 4396749578 is about 1638.2389357566.

The spelling of 4396749578 in words is "four billion, three hundred ninety-six million, seven hundred forty-nine thousand, five hundred seventy-eight".