495111863 has 2 divisors, whose sum is σ = 495111864. Its totient is φ = 495111862.

The previous prime is 495111853. The next prime is 495111887. The reversal of 495111863 is 368111594.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-495111863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495111803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247555931 + 247555932.

It is an arithmetic number, because the mean of its divisors is an integer number (247555932).

Almost surely, 2^495111863 is an apocalyptic number.

495111863 is a deficient number, since it is larger than the sum of its proper divisors (1).

495111863 is an equidigital number, since it uses as much as digits as its factorization.

495111863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 495111863 is about 22251.1092532485. The cubic root of 495111863 is about 791.1055732607.

The spelling of 495111863 in words is "four hundred ninety-five million, one hundred eleven thousand, eight hundred sixty-three".