494969496239 has 2 divisors, whose sum is σ = 494969496240. Its totient is φ = 494969496238.

The previous prime is 494969496211. The next prime is 494969496289. The reversal of 494969496239 is 932694969494.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494969496239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494969496209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247484748119 + 247484748120.

It is an arithmetic number, because the mean of its divisors is an integer number (247484748120).

Almost surely, 2^494969496239 is an apocalyptic number.

494969496239 is a deficient number, since it is larger than the sum of its proper divisors (1).

494969496239 is an equidigital number, since it uses as much as digits as its factorization.

494969496239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816293376, while the sum is 74.

The spelling of 494969496239 in words is "four hundred ninety-four billion, nine hundred sixty-nine million, four hundred ninety-six thousand, two hundred thirty-nine".