494762819 has 2 divisors, whose sum is σ = 494762820. Its totient is φ = 494762818.

The previous prime is 494762813. The next prime is 494762833. The reversal of 494762819 is 918267494.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494762819 is a prime.

It is a super-3 number, since 3×494762819³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (494762813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247381409 + 247381410.

It is an arithmetic number, because the mean of its divisors is an integer number (247381410).

Almost surely, 2^494762819 is an apocalyptic number.

494762819 is a deficient number, since it is larger than the sum of its proper divisors (1).

494762819 is an equidigital number, since it uses as much as digits as its factorization.

494762819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 494762819 is about 22243.2645760464. The cubic root of 494762819 is about 790.9196250009.

The spelling of 494762819 in words is "four hundred ninety-four million, seven hundred sixty-two thousand, eight hundred nineteen".