636491114 has 8 divisors (see below), whose sum is σ = 1091127648. Its totient is φ = 272781900.

The previous prime is 636491111. The next prime is 636491137. The reversal of 636491114 is 411194636.

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

It is not an unprimeable number, because it can be changed into a prime (636491111) 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, 22731812 + ... + 22731839.

It is an arithmetic number, because the mean of its divisors is an integer number (136390956).

Almost surely, 2^636491114 is an apocalyptic number.

636491114 is a deficient number, since it is larger than the sum of its proper divisors (454636534).

636491114 is a wasteful number, since it uses less digits than its factorization.

636491114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45463660.

The product of its digits is 15552, while the sum is 35.

The square root of 636491114 is about 25228.7755152722. The cubic root of 636491114 is about 860.1960585992.

The spelling of 636491114 in words is "six hundred thirty-six million, four hundred ninety-one thousand, one hundred fourteen".