684672595095 has 128 divisors (see below), whose sum is σ = 1211086356480. Its totient is φ = 328786698240.

The previous prime is 684672595049. The next prime is 684672595153. The reversal of 684672595095 is 590595276486.

It is not a de Polignac number, because 684672595095 - 2⁷ = 684672594967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 626415369 + ... + 626416461.

It is an arithmetic number, because the mean of its divisors is an integer number (9461612160).

Almost surely, 2^684672595095 is an apocalyptic number.

684672595095 is a deficient number, since it is larger than the sum of its proper divisors (526413761385).

684672595095 is a wasteful number, since it uses less digits than its factorization.

684672595095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985.

The product of its (nonzero) digits is 163296000, while the sum is 66.

The spelling of 684672595095 in words is "six hundred eighty-four billion, six hundred seventy-two million, five hundred ninety-five thousand, ninety-five".