634282868225 has 12 divisors (see below), whose sum is σ = 803245029504. Its totient is φ = 496629989520.

The previous prime is 634282868221. The next prime is 634282868231. The reversal of 634282868225 is 522868282436.

It is not a de Polignac number, because 634282868225 - 2² = 634282868221 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634282868221) 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 11 ways as a sum of consecutive naturals, for example, 269906429 + ... + 269908778.

It is an arithmetic number, because the mean of its divisors is an integer number (66937085792).

Almost surely, 2^634282868225 is an apocalyptic number.

It is an amenable number.

634282868225 is a deficient number, since it is larger than the sum of its proper divisors (168962161279).

634282868225 is a wasteful number, since it uses less digits than its factorization.

634282868225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539815264 (or 539815259 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 56.

The spelling of 634282868225 in words is "six hundred thirty-four billion, two hundred eighty-two million, eight hundred sixty-eight thousand, two hundred twenty-five".