4399546673 has 4 divisors (see below), whose sum is σ = 4399680000. Its totient is φ = 4399413348.

The previous prime is 4399546643. The next prime is 4399546717. The reversal of 4399546673 is 3766459934.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3766459934 = 2 ⋅1883229967.

It is a cyclic number.

It is not a de Polignac number, because 4399546673 - 2⁶ = 4399546609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4399546643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23336 + ... + 96662.

It is an arithmetic number, because the mean of its divisors is an integer number (1099920000).

Almost surely, 2^4399546673 is an apocalyptic number.

It is an amenable number.

4399546673 is a deficient number, since it is larger than the sum of its proper divisors (133327).

4399546673 is an equidigital number, since it uses as much as digits as its factorization.

4399546673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133326.

The product of its digits is 14696640, while the sum is 56.

The square root of 4399546673 is about 66329.0786382564. The cubic root of 4399546673 is about 1638.5862634422.

The spelling of 4399546673 in words is "four billion, three hundred ninety-nine million, five hundred forty-six thousand, six hundred seventy-three".