685134632058 has 8 divisors (see below), whose sum is σ = 1370269264128. Its totient is φ = 228378210684.

The previous prime is 685134632057. The next prime is 685134632071. The reversal of 685134632058 is 850236431586.

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

685134632058 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 685134632058.

It is not an unprimeable number, because it can be changed into a prime (685134632057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57094552666 + ... + 57094552677.

It is an arithmetic number, because the mean of its divisors is an integer number (171283658016).

Almost surely, 2^685134632058 is an apocalyptic number.

685134632058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

685134632058 is a wasteful number, since it uses less digits than its factorization.

685134632058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114189105348.

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 685134632058 in words is "six hundred eighty-five billion, one hundred thirty-four million, six hundred thirty-two thousand, fifty-eight".