965398099 has 2 divisors, whose sum is σ = 965398100. Its totient is φ = 965398098.

The previous prime is 965398087. The next prime is 965398121. The reversal of 965398099 is 990893569.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 965398099 - 2²³ = 957009491 is a prime.

It is not a weakly prime, because it can be changed into another prime (965398019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482699049 + 482699050.

It is an arithmetic number, because the mean of its divisors is an integer number (482699050).

Almost surely, 2^965398099 is an apocalyptic number.

965398099 is a deficient number, since it is larger than the sum of its proper divisors (1).

965398099 is an equidigital number, since it uses as much as digits as its factorization.

965398099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4723920, while the sum is 58.

The square root of 965398099 is about 31070.8561034291. The cubic root of 965398099 is about 988.3303827561.

The spelling of 965398099 in words is "nine hundred sixty-five million, three hundred ninety-eight thousand, ninety-nine".