685085006901 has 8 divisors (see below), whose sum is σ = 967178833344. Its totient is φ = 429857259200.

The previous prime is 685085006869. The next prime is 685085006923. The reversal of 685085006901 is 109600580586.

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

It is a cyclic number.

It is not a de Polignac number, because 685085006901 - 2⁵ = 685085006869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685085005901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6716519625 + ... + 6716519726.

It is an arithmetic number, because the mean of its divisors is an integer number (120897354168).

Almost surely, 2^685085006901 is an apocalyptic number.

It is an amenable number.

685085006901 is a deficient number, since it is larger than the sum of its proper divisors (282093826443).

685085006901 is a wasteful number, since it uses less digits than its factorization.

685085006901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13433039371.

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 685085006901 in words is "six hundred eighty-five billion, eighty-five million, six thousand, nine hundred one".