636060493 has 2 divisors, whose sum is σ = 636060494. Its totient is φ = 636060492.

The previous prime is 636060487. The next prime is 636060497. The reversal of 636060493 is 394060636.

636060493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 629106724 + 6953769 = 25082^2 + 2637^2 .

It is a cyclic number.

It is not a de Polignac number, because 636060493 - 2¹³ = 636052301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (636060497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318030246 + 318030247.

It is an arithmetic number, because the mean of its divisors is an integer number (318030247).

Almost surely, 2^636060493 is an apocalyptic number.

It is an amenable number.

636060493 is a deficient number, since it is larger than the sum of its proper divisors (1).

636060493 is an equidigital number, since it uses as much as digits as its factorization.

636060493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 636060493 is about 25220.2397490587. The cubic root of 636060493 is about 860.0020249637.

The spelling of 636060493 in words is "six hundred thirty-six million, sixty thousand, four hundred ninety-three".