685932650001 has 24 divisors (see below), whose sum is σ = 1044331672384. Its totient is φ = 449791891920.

The previous prime is 685932649951. The next prime is 685932650023. The reversal of 685932650001 is 100056239586.

685932650001 is a `hidden beast` number, since 6 + 8 + 593 + 2 + 6 + 50 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 685932650001 - 2⁷ = 685932649873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (685932650071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23122621 + ... + 23152266.

Almost surely, 2^685932650001 is an apocalyptic number.

685932650001 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

685932650001 is a deficient number, since it is larger than the sum of its proper divisors (358399022383).

685932650001 is an equidigital number, since it uses as much as digits as its factorization.

685932650001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46274963 (or 46274951 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

Adding to 685932650001 its reverse (100056239586), we get a palindrome (785988889587).

The spelling of 685932650001 in words is "six hundred eighty-five billion, nine hundred thirty-two million, six hundred fifty thousand, one".