636350479 has 8 divisors (see below), whose sum is σ = 642911360. Its totient is φ = 629818200.

The previous prime is 636350419. The next prime is 636350497. The reversal of 636350479 is 974053636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 636350479 - 2²¹ = 634253327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636350419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39094 + ... + 52924.

It is an arithmetic number, because the mean of its divisors is an integer number (80363920).

Almost surely, 2^636350479 is an apocalyptic number.

636350479 is a deficient number, since it is larger than the sum of its proper divisors (6560881).

636350479 is a wasteful number, since it uses less digits than its factorization.

636350479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14301.

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 636350479 is about 25225.9881669678. The cubic root of 636350479 is about 860.1326994619.

The spelling of 636350479 in words is "six hundred thirty-six million, three hundred fifty thousand, four hundred seventy-nine".