685141212445 has 8 divisors (see below), whose sum is σ = 824338769760. Its totient is φ = 546666760080.

The previous prime is 685141212443. The next prime is 685141212463. The reversal of 685141212445 is 544212141586.

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

It is not a de Polignac number, because 685141212445 - 2¹ = 685141212443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685141212443) 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, 180774151 + ... + 180777940.

It is an arithmetic number, because the mean of its divisors is an integer number (103042346220).

Almost surely, 2^685141212445 is an apocalyptic number.

It is an amenable number.

685141212445 is a deficient number, since it is larger than the sum of its proper divisors (139197557315).

685141212445 is a wasteful number, since it uses less digits than its factorization.

685141212445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361552475.

The product of its digits is 307200, while the sum is 43.

The spelling of 685141212445 in words is "six hundred eighty-five billion, one hundred forty-one million, two hundred twelve thousand, four hundred forty-five".