495355691 has 2 divisors, whose sum is σ = 495355692. Its totient is φ = 495355690.

The previous prime is 495355621. The next prime is 495355709. The reversal of 495355691 is 196553594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 495355691 - 2¹⁴ = 495339307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (495355621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247677845 + 247677846.

It is an arithmetic number, because the mean of its divisors is an integer number (247677846).

Almost surely, 2^495355691 is an apocalyptic number.

495355691 is a deficient number, since it is larger than the sum of its proper divisors (1).

495355691 is an equidigital number, since it uses as much as digits as its factorization.

495355691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 729000, while the sum is 47.

The square root of 495355691 is about 22256.5875866001. The cubic root of 495355691 is about 791.2354173411.

The spelling of 495355691 in words is "four hundred ninety-five million, three hundred fifty-five thousand, six hundred ninety-one".