196418773 has 2 divisors, whose sum is σ = 196418774. Its totient is φ = 196418772.

The previous prime is 196418743. The next prime is 196418801. The reversal of 196418773 is 377814691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195384484 + 1034289 = 13978^2 + 1017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196418773 is a prime.

It is a super-3 number, since 3×196418773³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196418743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98209386 + 98209387.

It is an arithmetic number, because the mean of its divisors is an integer number (98209387).

Almost surely, 2^196418773 is an apocalyptic number.

It is an amenable number.

196418773 is a deficient number, since it is larger than the sum of its proper divisors (1).

196418773 is an equidigital number, since it uses as much as digits as its factorization.

196418773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 196418773 is about 14014.9481982632. The cubic root of 196418773 is about 581.2919801953.

The spelling of 196418773 in words is "one hundred ninety-six million, four hundred eighteen thousand, seven hundred seventy-three".