64855585434 has 16 divisors (see below), whose sum is σ = 130970503872. Its totient is φ = 21408639648.

The previous prime is 64855585411. The next prime is 64855585477. The reversal of 64855585434 is 43458555846.

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 7 ways as a sum of consecutive naturals, for example, 52471539 + ... + 52472774.

It is an arithmetic number, because the mean of its divisors is an integer number (8185656492).

Almost surely, 2^64855585434 is an apocalyptic number.

64855585434 is an abundant number, since it is smaller than the sum of its proper divisors (66114918438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64855585434 is a wasteful number, since it uses less digits than its factorization.

64855585434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104944421.

The product of its digits is 46080000, while the sum is 57.

The spelling of 64855585434 in words is "sixty-four billion, eight hundred fifty-five million, five hundred eighty-five thousand, four hundred thirty-four".