635004855385 has 8 divisors (see below), whose sum is σ = 762062298120. Its totient is φ = 507966236544.

The previous prime is 635004855343. The next prime is 635004855469. The reversal of 635004855385 is 583558400536.

635004855385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 148943508624 + 486061346761 = 385932^2 + 697181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 635004855385 - 2⁷ = 635004855257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4631650 + ... + 4766779.

It is an arithmetic number, because the mean of its divisors is an integer number (95257787265).

Almost surely, 2^635004855385 is an apocalyptic number.

It is an amenable number.

635004855385 is a deficient number, since it is larger than the sum of its proper divisors (127057442735).

635004855385 is a wasteful number, since it uses less digits than its factorization.

635004855385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411947.

The product of its (nonzero) digits is 8640000, while the sum is 52.

The spelling of 635004855385 in words is "six hundred thirty-five billion, four million, eight hundred fifty-five thousand, three hundred eighty-five".