634265826055 has 4 divisors (see below), whose sum is σ = 761118991272. Its totient is φ = 507412660840.

The previous prime is 634265826001. The next prime is 634265826191. The reversal of 634265826055 is 550628562436.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 634265826055 - 2⁷ = 634265825927 is a prime.

It is a super-3 number, since 3×634265826055³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634265825993 and 634265826011.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 63426582601 + ... + 63426582610.

It is an arithmetic number, because the mean of its divisors is an integer number (190279747818).

Almost surely, 2^634265826055 is an apocalyptic number.

634265826055 is a deficient number, since it is larger than the sum of its proper divisors (126853165217).

634265826055 is a wasteful number, since it uses less digits than its factorization.

634265826055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126853165216.

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 634265826055 in words is "six hundred thirty-four billion, two hundred sixty-five million, eight hundred twenty-six thousand, fifty-five".