634352457875 has 32 divisors (see below), whose sum is σ = 796446695616. Its totient is φ = 504429120000.

The previous prime is 634352457853. The next prime is 634352457877. The reversal of 634352457875 is 578754253436.

It is not a de Polignac number, because 634352457875 - 2⁶ = 634352457811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634352457877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16278164 + ... + 16317086.

It is an arithmetic number, because the mean of its divisors is an integer number (24888959238).

Almost surely, 2^634352457875 is an apocalyptic number.

634352457875 is a deficient number, since it is larger than the sum of its proper divisors (162094237741).

634352457875 is a wasteful number, since it uses less digits than its factorization.

634352457875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39720 (or 39710 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 59.

The spelling of 634352457875 in words is "six hundred thirty-four billion, three hundred fifty-two million, four hundred fifty-seven thousand, eight hundred seventy-five".