494952517999 has 2 divisors, whose sum is σ = 494952518000. Its totient is φ = 494952517998.

The previous prime is 494952517973. The next prime is 494952518087. The reversal of 494952517999 is 999715259494.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494952517999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494952517919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247476258999 + 247476259000.

It is an arithmetic number, because the mean of its divisors is an integer number (247476259000).

Almost surely, 2^494952517999 is an apocalyptic number.

494952517999 is a deficient number, since it is larger than the sum of its proper divisors (1).

494952517999 is an equidigital number, since it uses as much as digits as its factorization.

494952517999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 330674400, while the sum is 73.

The spelling of 494952517999 in words is "four hundred ninety-four billion, nine hundred fifty-two million, five hundred seventeen thousand, nine hundred ninety-nine".