494867653667 has 2 divisors, whose sum is σ = 494867653668. Its totient is φ = 494867653666.

The previous prime is 494867653549. The next prime is 494867653739. The reversal of 494867653667 is 766356768494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494867653667 - 2¹⁴ = 494867637283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 494867653667.

It is not a weakly prime, because it can be changed into another prime (494867653067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247433826833 + 247433826834.

It is an arithmetic number, because the mean of its divisors is an integer number (247433826834).

Almost surely, 2^494867653667 is an apocalyptic number.

494867653667 is a deficient number, since it is larger than the sum of its proper divisors (1).

494867653667 is an equidigital number, since it uses as much as digits as its factorization.

494867653667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1097349120, while the sum is 71.

The spelling of 494867653667 in words is "four hundred ninety-four billion, eight hundred sixty-seven million, six hundred fifty-three thousand, six hundred sixty-seven".