4494794321 has 2 divisors, whose sum is σ = 4494794322. Its totient is φ = 4494794320.

The previous prime is 4494794263. The next prime is 4494794327. The reversal of 4494794321 is 1234974944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4486320400 + 8473921 = 66980^2 + 2911^2 .

It is a cyclic number.

It is not a de Polignac number, because 4494794321 - 2¹⁸ = 4494532177 is a prime.

It is not a weakly prime, because it can be changed into another prime (4494794327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2247397160 + 2247397161.

It is an arithmetic number, because the mean of its divisors is an integer number (2247397161).

Almost surely, 2^4494794321 is an apocalyptic number.

It is an amenable number.

4494794321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4494794321 is an equidigital number, since it uses as much as digits as its factorization.

4494794321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 47.

The square root of 4494794321 is about 67043.2272567483. The cubic root of 4494794321 is about 1650.3267575698.

The spelling of 4494794321 in words is "four billion, four hundred ninety-four million, seven hundred ninety-four thousand, three hundred twenty-one".