196443469 has 2 divisors, whose sum is σ = 196443470. Its totient is φ = 196443468.

The previous prime is 196443427. The next prime is 196443491. The reversal of 196443469 is 964344691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194267844 + 2175625 = 13938^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 196443469 - 2¹³ = 196435277 is a prime.

It is a super-2 number, since 2×196443469² = 77180073025507922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196443769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98221734 + 98221735.

It is an arithmetic number, because the mean of its divisors is an integer number (98221735).

Almost surely, 2^196443469 is an apocalyptic number.

It is an amenable number.

196443469 is a deficient number, since it is larger than the sum of its proper divisors (1).

196443469 is an equidigital number, since it uses as much as digits as its factorization.

196443469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 46.

The square root of 196443469 is about 14015.8292298387. The cubic root of 196443469 is about 581.3163413853.

The spelling of 196443469 in words is "one hundred ninety-six million, four hundred forty-three thousand, four hundred sixty-nine".