494946187 has 2 divisors, whose sum is σ = 494946188. Its totient is φ = 494946186.

The previous prime is 494946163. The next prime is 494946197. The reversal of 494946187 is 781649494.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494946187 is a prime.

It is not a weakly prime, because it can be changed into another prime (494946107) 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, 247473093 + 247473094.

It is an arithmetic number, because the mean of its divisors is an integer number (247473094).

Almost surely, 2^494946187 is an apocalyptic number.

494946187 is a deficient number, since it is larger than the sum of its proper divisors (1).

494946187 is an equidigital number, since it uses as much as digits as its factorization.

494946187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 494946187 is about 22247.3860711770. The cubic root of 494946187 is about 791.0173226122.

It can be divided in two parts, 49494 and 6187, that multiplied together give a triangular number (306219378 = T₂₄₇₄₇).

The spelling of 494946187 in words is "four hundred ninety-four million, nine hundred forty-six thousand, one hundred eighty-seven".