469865197 has 2 divisors, whose sum is σ = 469865198. Its totient is φ = 469865196.

The previous prime is 469865191. The next prime is 469865213. The reversal of 469865197 is 791568964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235499716 + 234365481 = 15346^2 + 15309^2 .

It is a cyclic number.

It is not a de Polignac number, because 469865197 - 2¹⁹ = 469340909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (469865191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234932598 + 234932599.

It is an arithmetic number, because the mean of its divisors is an integer number (234932599).

Almost surely, 2^469865197 is an apocalyptic number.

It is an amenable number.

469865197 is a deficient number, since it is larger than the sum of its proper divisors (1).

469865197 is an equidigital number, since it uses as much as digits as its factorization.

469865197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 55.

The square root of 469865197 is about 21676.3741663591. The cubic root of 469865197 is about 777.4236699569.

The spelling of 469865197 in words is "four hundred sixty-nine million, eight hundred sixty-five thousand, one hundred ninety-seven".