634144363 has 4 divisors (see below), whose sum is σ = 656011440. Its totient is φ = 612277288.

The previous prime is 634144333. The next prime is 634144373. The reversal of 634144363 is 363441436.

634144363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 634144363 - 2¹⁷ = 634013291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634144333) 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, 10933495 + ... + 10933552.

It is an arithmetic number, because the mean of its divisors is an integer number (164002860).

Almost surely, 2^634144363 is an apocalyptic number.

634144363 is a deficient number, since it is larger than the sum of its proper divisors (21867077).

634144363 is a wasteful number, since it uses less digits than its factorization.

634144363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21867076.

The product of its digits is 62208, while the sum is 34.

The square root of 634144363 is about 25182.2231544397. The cubic root of 634144363 is about 859.1375719685.

Adding to 634144363 its reverse (363441436), we get a palindrome (997585799).

The spelling of 634144363 in words is "six hundred thirty-four million, one hundred forty-four thousand, three hundred sixty-three".