196603965791269 has 2 divisors, whose sum is σ = 196603965791270. Its totient is φ = 196603965791268.

The previous prime is 196603965791243. The next prime is 196603965791273. The reversal of 196603965791269 is 962197569306691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144352102974244 + 52251862817025 = 12014662^2 + 7228545^2 .

It is a cyclic number.

It is not a de Polignac number, because 196603965791269 - 2⁷ = 196603965791141 is a prime.

It is a super-2 number, since 2×196603965791269² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196603965791209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98301982895634 + 98301982895635.

It is an arithmetic number, because the mean of its divisors is an integer number (98301982895635).

Almost surely, 2^{196603965791269} is an apocalyptic number.

It is an amenable number.

196603965791269 is a deficient number, since it is larger than the sum of its proper divisors (1).

196603965791269 is an equidigital number, since it uses as much as digits as its factorization.

196603965791269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1785641760, while the sum is 79.

The spelling of 196603965791269 in words is "one hundred ninety-six trillion, six hundred three billion, nine hundred sixty-five million, seven hundred ninety-one thousand, two hundred sixty-nine".