636473085 has 16 divisors (see below), whose sum is σ = 1035052800. Its totient is φ = 333887040.

The previous prime is 636473069. The next prime is 636473119. The reversal of 636473085 is 580374636.

It is not a de Polignac number, because 636473085 - 2⁴ = 636473069 is a prime.

It is a congruent number.

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, 346885 + ... + 348714.

It is an arithmetic number, because the mean of its divisors is an integer number (64690800).

Almost surely, 2^636473085 is an apocalyptic number.

It is an amenable number.

636473085 is a deficient number, since it is larger than the sum of its proper divisors (398579715).

636473085 is a wasteful number, since it uses less digits than its factorization.

636473085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695668.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 636473085 is about 25228.4182024954. The cubic root of 636473085 is about 860.1879366627.

The spelling of 636473085 in words is "six hundred thirty-six million, four hundred seventy-three thousand, eighty-five".