634048603864 has 32 divisors (see below), whose sum is σ = 1292720476320. Its totient is φ = 289796668416.

The previous prime is 634048603843. The next prime is 634048603873. The reversal of 634048603864 is 468306840436.

It is a happy number.

634048603864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29584537 + ... + 29605960.

It is an arithmetic number, because the mean of its divisors is an integer number (40397514885).

Almost surely, 2^634048603864 is an apocalyptic number.

It is an amenable number.

634048603864 is an abundant number, since it is smaller than the sum of its proper divisors (658671872456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634048603864 is a wasteful number, since it uses less digits than its factorization.

634048603864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59190619 (or 59190615 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 52.

The spelling of 634048603864 in words is "six hundred thirty-four billion, forty-eight million, six hundred three thousand, eight hundred sixty-four".