685129483 has 2 divisors, whose sum is σ = 685129484. Its totient is φ = 685129482.

The previous prime is 685129457. The next prime is 685129513. The reversal of 685129483 is 384921586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 685129483 - 2¹³ = 685121291 is a prime.

It is not a weakly prime, because it can be changed into another prime (685129183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342564741 + 342564742.

It is an arithmetic number, because the mean of its divisors is an integer number (342564742).

Almost surely, 2^685129483 is an apocalyptic number.

685129483 is a deficient number, since it is larger than the sum of its proper divisors (1).

685129483 is an equidigital number, since it uses as much as digits as its factorization.

685129483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 46.

The square root of 685129483 is about 26174.9781852822. The cubic root of 685129483 is about 881.5715216781.

The spelling of 685129483 in words is "six hundred eighty-five million, one hundred twenty-nine thousand, four hundred eighty-three".