195370154339 has 2 divisors, whose sum is σ = 195370154340. Its totient is φ = 195370154338.

The previous prime is 195370154327. The next prime is 195370154341. The reversal of 195370154339 is 933451073591.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195370154339 is a prime.

Together with 195370154341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (195370154359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97685077169 + 97685077170.

It is an arithmetic number, because the mean of its divisors is an integer number (97685077170).

Almost surely, 2^195370154339 is an apocalyptic number.

195370154339 is a deficient number, since it is larger than the sum of its proper divisors (1).

195370154339 is an equidigital number, since it uses as much as digits as its factorization.

195370154339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1530900, while the sum is 50.

The spelling of 195370154339 in words is "one hundred ninety-five billion, three hundred seventy million, one hundred fifty-four thousand, three hundred thirty-nine".