685073400054 has 8 divisors (see below), whose sum is σ = 1370146800120. Its totient is φ = 228357800016.

The previous prime is 685073400031. The next prime is 685073400073. The reversal of 685073400054 is 450004370586.

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

685073400054 is an admirable number.

It is a super-3 number, since 3×685073400054³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 685073399979 and 685073400015.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 57089449999 + ... + 57089450010.

It is an arithmetic number, because the mean of its divisors is an integer number (171268350015).

Almost surely, 2^685073400054 is an apocalyptic number.

685073400054 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.

685073400054 is a wasteful number, since it uses less digits than its factorization.

685073400054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114178900014.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 685073400054 in words is "six hundred eighty-five billion, seventy-three million, four hundred thousand, fifty-four".