195151157699 has 2 divisors, whose sum is σ = 195151157700. Its totient is φ = 195151157698.

The previous prime is 195151157687. The next prime is 195151157741. The reversal of 195151157699 is 996751151591.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195151157699 is a prime.

It is not a weakly prime, because it can be changed into another prime (195151157629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97575578849 + 97575578850.

It is an arithmetic number, because the mean of its divisors is an integer number (97575578850).

Almost surely, 2^195151157699 is an apocalyptic number.

195151157699 is a deficient number, since it is larger than the sum of its proper divisors (1).

195151157699 is an equidigital number, since it uses as much as digits as its factorization.

195151157699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3827250, while the sum is 59.

The spelling of 195151157699 in words is "one hundred ninety-five billion, one hundred fifty-one million, one hundred fifty-seven thousand, six hundred ninety-nine".