994064659 has 4 divisors (see below), whose sum is σ = 1136073904. Its totient is φ = 852055416.

The previous prime is 994064651. The next prime is 994064671. The reversal of 994064659 is 956460499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 956460499 = 13381 ⋅71479.

It is a cyclic number.

It is not a de Polignac number, because 994064659 - 2³ = 994064651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (994064651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71004612 + ... + 71004625.

It is an arithmetic number, because the mean of its divisors is an integer number (284018476).

Almost surely, 2^994064659 is an apocalyptic number.

994064659 is a deficient number, since it is larger than the sum of its proper divisors (142009245).

994064659 is a wasteful number, since it uses less digits than its factorization.

994064659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142009244.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The square root of 994064659 is about 31528.7909536665. The cubic root of 994064659 is about 998.0176257893.

The spelling of 994064659 in words is "nine hundred ninety-four million, sixty-four thousand, six hundred fifty-nine".