195488099 has 2 divisors, whose sum is σ = 195488100. Its totient is φ = 195488098.

The previous prime is 195488089. The next prime is 195488113. The reversal of 195488099 is 990884591.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195488099 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 195488099.

It is not a weakly prime, because it can be changed into another prime (195488089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97744049 + 97744050.

It is an arithmetic number, because the mean of its divisors is an integer number (97744050).

Almost surely, 2^195488099 is an apocalyptic number.

195488099 is a deficient number, since it is larger than the sum of its proper divisors (1).

195488099 is an equidigital number, since it uses as much as digits as its factorization.

195488099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 195488099 is about 13981.7058687415. The cubic root of 195488099 is about 580.3724312342.

The spelling of 195488099 in words is "one hundred ninety-five million, four hundred eighty-eight thousand, ninety-nine".