494333291 has 2 divisors, whose sum is σ = 494333292. Its totient is φ = 494333290.

The previous prime is 494333261. The next prime is 494333383. The reversal of 494333291 is 192333494.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494333291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (494333221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247166645 + 247166646.

It is an arithmetic number, because the mean of its divisors is an integer number (247166646).

Almost surely, 2^494333291 is an apocalyptic number.

494333291 is a deficient number, since it is larger than the sum of its proper divisors (1).

494333291 is an equidigital number, since it uses as much as digits as its factorization.

494333291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 38.

The square root of 494333291 is about 22233.6072421908. The cubic root of 494333291 is about 790.6906799597.

The spelling of 494333291 in words is "four hundred ninety-four million, three hundred thirty-three thousand, two hundred ninety-one".