634048385764 has 12 divisors (see below), whose sum is σ = 1111474942704. Its totient is φ = 316484116424.

The previous prime is 634048385741. The next prime is 634048385779. The reversal of 634048385764 is 467583840436.

It is a junction number, because it is equal to n+sod(n) for n = 634048385699 and 634048385708.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 135016474 + ... + 135021169.

It is an arithmetic number, because the mean of its divisors is an integer number (92622911892).

Almost surely, 2^634048385764 is an apocalyptic number.

It is an amenable number.

634048385764 is a deficient number, since it is larger than the sum of its proper divisors (477426556940).

634048385764 is a wasteful number, since it uses less digits than its factorization.

634048385764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270038234 (or 270038232 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 58.

The spelling of 634048385764 in words is "six hundred thirty-four billion, forty-eight million, three hundred eighty-five thousand, seven hundred sixty-four".