494949393933047 has 2 divisors, whose sum is σ = 494949393933048. Its totient is φ = 494949393933046.

The previous prime is 494949393933037. The next prime is 494949393933061. The reversal of 494949393933047 is 740339393949494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494949393933047 - 2¹⁰ = 494949393932023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494949393933037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247474696966523 + 247474696966524.

It is an arithmetic number, because the mean of its divisors is an integer number (247474696966524).

Almost surely, 2^{494949393933047} is an apocalyptic number.

494949393933047 is a deficient number, since it is larger than the sum of its proper divisors (1).

494949393933047 is an equidigital number, since it uses as much as digits as its factorization.

494949393933047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8571080448, while the sum is 80.

The spelling of 494949393933047 in words is "four hundred ninety-four trillion, nine hundred forty-nine billion, three hundred ninety-three million, nine hundred thirty-three thousand, forty-seven".