994547745499 has 16 divisors (see below), whose sum is σ = 1240012440576. Its totient is φ = 774936763200.

The previous prime is 994547745437. The next prime is 994547745517.

It is a happy number.

994547745499 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994547745499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (994547745419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1463134 + ... + 2032204.

It is an arithmetic number, because the mean of its divisors is an integer number (77500777536).

Almost surely, 2^994547745499 is an apocalyptic number.

994547745499 is a deficient number, since it is larger than the sum of its proper divisors (245464695077).

994547745499 is a wasteful number, since it uses less digits than its factorization.

994547745499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591786.

The product of its digits is 2057529600, while the sum is 76.

The spelling of 994547745499 in words is "nine hundred ninety-four billion, five hundred forty-seven million, seven hundred forty-five thousand, four hundred ninety-nine".