196074375397 has 2 divisors, whose sum is σ = 196074375398. Its totient is φ = 196074375396.

The previous prime is 196074375359. The next prime is 196074375407. The reversal of 196074375397 is 793573470691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154894196356 + 41180179041 = 393566^2 + 202929^2 .

It is an emirp because it is prime and its reverse (793573470691) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196074375397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196074375097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98037187698 + 98037187699.

It is an arithmetic number, because the mean of its divisors is an integer number (98037187699).

Almost surely, 2^196074375397 is an apocalyptic number.

It is an amenable number.

196074375397 is a deficient number, since it is larger than the sum of its proper divisors (1).

196074375397 is an equidigital number, since it uses as much as digits as its factorization.

196074375397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30005640, while the sum is 61.

The spelling of 196074375397 in words is "one hundred ninety-six billion, seventy-four million, three hundred seventy-five thousand, three hundred ninety-seven".