495785839 has 2 divisors, whose sum is σ = 495785840. Its totient is φ = 495785838.

The previous prime is 495785837. The next prime is 495785879. The reversal of 495785839 is 938587594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 495785839 - 2¹ = 495785837 is a prime.

Together with 495785837, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495785833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247892919 + 247892920.

It is an arithmetic number, because the mean of its divisors is an integer number (247892920).

Almost surely, 2^495785839 is an apocalyptic number.

495785839 is a deficient number, since it is larger than the sum of its proper divisors (1).

495785839 is an equidigital number, since it uses as much as digits as its factorization.

495785839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 58.

The square root of 495785839 is about 22266.2488758210. The cubic root of 495785839 is about 791.4643773058.

The spelling of 495785839 in words is "four hundred ninety-five million, seven hundred eighty-five thousand, eight hundred thirty-nine".