634242125035505 has 16 divisors (see below), whose sum is σ = 869861585343744. Its totient is φ = 434886978805440.

The previous prime is 634242125035483. The next prime is 634242125035529. The reversal of 634242125035505 is 505530521242436.

It is not a de Polignac number, because 634242125035505 - 2²⁰ = 634242123986929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634242125035505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455689661 + ... + 457079370.

It is an arithmetic number, because the mean of its divisors is an integer number (54366349083984).

Almost surely, 2^{634242125035505} is an apocalyptic number.

It is an amenable number.

634242125035505 is a deficient number, since it is larger than the sum of its proper divisors (235619460308239).

634242125035505 is a wasteful number, since it uses less digits than its factorization.

634242125035505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912788896.

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 634242125035505 in words is "six hundred thirty-four trillion, two hundred forty-two billion, one hundred twenty-five million, thirty-five thousand, five hundred five".