195001968037 has 2 divisors, whose sum is σ = 195001968038. Its totient is φ = 195001968036.

The previous prime is 195001968023. The next prime is 195001968041. The reversal of 195001968037 is 730869100591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194233236961 + 768731076 = 440719^2 + 27726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195001968037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195001968047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97500984018 + 97500984019.

It is an arithmetic number, because the mean of its divisors is an integer number (97500984019).

Almost surely, 2^195001968037 is an apocalyptic number.

It is an amenable number.

195001968037 is a deficient number, since it is larger than the sum of its proper divisors (1).

195001968037 is an equidigital number, since it uses as much as digits as its factorization.

195001968037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 195001968037 in words is "one hundred ninety-five billion, one million, nine hundred sixty-eight thousand, thirty-seven".