4493636461 has 2 divisors, whose sum is σ = 4493636462. Its totient is φ = 4493636460.

The previous prime is 4493636443. The next prime is 4493636533. The reversal of 4493636461 is 1646363944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4365244900 + 128391561 = 66070^2 + 11331^2 .

It is a cyclic number.

It is not a de Polignac number, because 4493636461 - 2¹¹ = 4493634413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4493637461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2246818230 + 2246818231.

It is an arithmetic number, because the mean of its divisors is an integer number (2246818231).

Almost surely, 2^4493636461 is an apocalyptic number.

It is an amenable number.

4493636461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4493636461 is an equidigital number, since it uses as much as digits as its factorization.

4493636461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 46.

The square root of 4493636461 is about 67034.5915255698. The cubic root of 4493636461 is about 1650.1850372221.

The spelling of 4493636461 in words is "four billion, four hundred ninety-three million, six hundred thirty-six thousand, four hundred sixty-one".