994958659 has 2 divisors, whose sum is σ = 994958660. Its totient is φ = 994958658.

The previous prime is 994958623. The next prime is 994958681. The reversal of 994958659 is 956859499.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (956859499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 994958659 - 2⁹ = 994958147 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 994958659.

It is not a weakly prime, because it can be changed into another prime (994958689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497479329 + 497479330.

It is an arithmetic number, because the mean of its divisors is an integer number (497479330).

Almost surely, 2^994958659 is an apocalyptic number.

994958659 is a deficient number, since it is larger than the sum of its proper divisors (1).

994958659 is an equidigital number, since it uses as much as digits as its factorization.

994958659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31492800, while the sum is 64.

The square root of 994958659 is about 31542.9652854642. The cubic root of 994958659 is about 998.3167211622.

The spelling of 994958659 in words is "nine hundred ninety-four million, nine hundred fifty-eight thousand, six hundred fifty-nine".