493895879 has 2 divisors, whose sum is σ = 493895880. Its totient is φ = 493895878.

The previous prime is 493895863. The next prime is 493895887. The reversal of 493895879 is 978598394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493895879 - 2⁴ = 493895863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493895819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246947939 + 246947940.

It is an arithmetic number, because the mean of its divisors is an integer number (246947940).

Almost surely, 2^493895879 is an apocalyptic number.

493895879 is a deficient number, since it is larger than the sum of its proper divisors (1).

493895879 is an equidigital number, since it uses as much as digits as its factorization.

493895879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 62.

The square root of 493895879 is about 22223.7683348257. The cubic root of 493895879 is about 790.4573962898.

The spelling of 493895879 in words is "four hundred ninety-three million, eight hundred ninety-five thousand, eight hundred seventy-nine".