4493793649 has 4 divisors (see below), whose sum is σ = 4560865264. Its totient is φ = 4426722036.

The previous prime is 4493793611. The next prime is 4493793677. The reversal of 4493793649 is 9463973944.

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 4493793649 - 2¹⁷ = 4493662577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4493793593 and 4493793602.

It is not an unprimeable number, because it can be changed into a prime (4493793149) 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, 33535707 + ... + 33535840.

It is an arithmetic number, because the mean of its divisors is an integer number (1140216316).

Almost surely, 2^4493793649 is an apocalyptic number.

It is an amenable number.

4493793649 is a deficient number, since it is larger than the sum of its proper divisors (67071615).

4493793649 is an equidigital number, since it uses as much as digits as its factorization.

4493793649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67071614.

The product of its digits is 17635968, while the sum is 58.

The square root of 4493793649 is about 67035.7639547727. The cubic root of 4493793649 is about 1650.2042782283.

The spelling of 4493793649 in words is "four billion, four hundred ninety-three million, seven hundred ninety-three thousand, six hundred forty-nine".