685410483419 has 2 divisors, whose sum is σ = 685410483420. Its totient is φ = 685410483418.

The previous prime is 685410483391. The next prime is 685410483463. The reversal of 685410483419 is 914384014586.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-685410483419 is a prime.

It is a super-2 number, since 2×685410483419² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (685410488419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342705241709 + 342705241710.

It is an arithmetic number, because the mean of its divisors is an integer number (342705241710).

Almost surely, 2^685410483419 is an apocalyptic number.

685410483419 is a deficient number, since it is larger than the sum of its proper divisors (1).

685410483419 is an equidigital number, since it uses as much as digits as its factorization.

685410483419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 685410483419 in words is "six hundred eighty-five billion, four hundred ten million, four hundred eighty-three thousand, four hundred nineteen".