4494045993 has 4 divisors (see below), whose sum is σ = 5992061328. Its totient is φ = 2996030660.

The previous prime is 4494045991. The next prime is 4494046009. The reversal of 4494045993 is 3995404944.

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.

It is a cyclic number.

It is not a de Polignac number, because 4494045993 - 2¹ = 4494045991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4494045991) 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, 749007663 + ... + 749007668.

It is an arithmetic number, because the mean of its divisors is an integer number (1498015332).

Almost surely, 2^4494045993 is an apocalyptic number.

It is an amenable number.

4494045993 is a deficient number, since it is larger than the sum of its proper divisors (1498015335).

4494045993 is a wasteful number, since it uses less digits than its factorization.

4494045993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498015334.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The square root of 4494045993 is about 67037.6460878513. The cubic root of 4494045993 is about 1650.2351661141.

The spelling of 4494045993 in words is "four billion, four hundred ninety-four million, forty-five thousand, nine hundred ninety-three".