634468611 has 48 divisors (see below), whose sum is σ = 1046618496. Its totient is φ = 339704064.

The previous prime is 634468609. The next prime is 634468619. The reversal of 634468611 is 116864436.

It is not a de Polignac number, because 634468611 - 2¹ = 634468609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634468611.

It is not an unprimeable number, because it can be changed into a prime (634468619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 766780 + ... + 767606.

It is an arithmetic number, because the mean of its divisors is an integer number (21804552).

Almost surely, 2^634468611 is an apocalyptic number.

634468611 is a deficient number, since it is larger than the sum of its proper divisors (412149885).

634468611 is a wasteful number, since it uses less digits than its factorization.

634468611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1161 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 634468611 is about 25188.6603653311. The cubic root of 634468611 is about 859.2839772086.

The spelling of 634468611 in words is "six hundred thirty-four million, four hundred sixty-eight thousand, six hundred eleven".