994383907345 has 8 divisors (see below), whose sum is σ = 1198471435560. Its totient is φ = 792033294720.

The previous prime is 994383907327. The next prime is 994383907399. The reversal of 994383907345 is 543709383499.

It is a happy number.

It is a Cunningham number, because it is equal to 997188²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 357977249344 + 636406658001 = 598312^2 + 797751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 994383907345 - 2⁵ = 994383907313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434227636 + ... + 434229925.

It is an arithmetic number, because the mean of its divisors is an integer number (149808929445).

Almost surely, 2^994383907345 is an apocalyptic number.

It is an amenable number.

994383907345 is a deficient number, since it is larger than the sum of its proper divisors (204087528215).

994383907345 is a wasteful number, since it uses less digits than its factorization.

994383907345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868457795.

The product of its (nonzero) digits is 88179840, while the sum is 64.

The spelling of 994383907345 in words is "nine hundred ninety-four billion, three hundred eighty-three million, nine hundred seven thousand, three hundred forty-five".