494190547 has 2 divisors, whose sum is σ = 494190548. Its totient is φ = 494190546.

The previous prime is 494190533. The next prime is 494190563. The reversal of 494190547 is 745091494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494190547 - 2¹⁹ = 493666259 is a prime.

It is not a weakly prime, because it can be changed into another prime (494190517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247095273 + 247095274.

It is an arithmetic number, because the mean of its divisors is an integer number (247095274).

Almost surely, 2^494190547 is an apocalyptic number.

494190547 is a deficient number, since it is larger than the sum of its proper divisors (1).

494190547 is an equidigital number, since it uses as much as digits as its factorization.

494190547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 494190547 is about 22230.3969150351. The cubic root of 494190547 is about 790.6145658494.

The spelling of 494190547 in words is "four hundred ninety-four million, one hundred ninety thousand, five hundred forty-seven".