994242499 has 2 divisors, whose sum is σ = 994242500. Its totient is φ = 994242498.

The previous prime is 994242481. The next prime is 994242523.

994242499 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 994242499 - 2⁹ = 994241987 is a prime.

It is not a weakly prime, because it can be changed into another prime (994242439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497121249 + 497121250.

It is an arithmetic number, because the mean of its divisors is an integer number (497121250).

Almost surely, 2^994242499 is an apocalyptic number.

994242499 is a deficient number, since it is larger than the sum of its proper divisors (1).

994242499 is an equidigital number, since it uses as much as digits as its factorization.

994242499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 52.

The square root of 994242499 is about 31531.6111069511. The cubic root of 994242499 is about 998.0771379715.

It can be divided in two parts, 9942 and 42499, that added together give a square (52441 = 229²).

The spelling of 994242499 in words is "nine hundred ninety-four million, two hundred forty-two thousand, four hundred ninety-nine".