945907199 has 2 divisors, whose sum is σ = 945907200. Its totient is φ = 945907198.

The previous prime is 945907147. The next prime is 945907231. The reversal of 945907199 is 991709549.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945907199 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 945907199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945907129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472953599 + 472953600.

It is an arithmetic number, because the mean of its divisors is an integer number (472953600).

Almost surely, 2^945907199 is an apocalyptic number.

945907199 is a deficient number, since it is larger than the sum of its proper divisors (1).

945907199 is an equidigital number, since it uses as much as digits as its factorization.

945907199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 53.

The square root of 945907199 is about 30755.6043510772. The cubic root of 945907199 is about 981.6338146428.

The spelling of 945907199 in words is "nine hundred forty-five million, nine hundred seven thousand, one hundred ninety-nine".