473219969 has 2 divisors, whose sum is σ = 473219970. Its totient is φ = 473219968.

The previous prime is 473219927. The next prime is 473219993. The reversal of 473219969 is 969912374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471410944 + 1809025 = 21712^2 + 1345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473219969 is a prime.

It is a super-2 number, since 2×473219969² = 447874278120721922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (473219869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236609984 + 236609985.

It is an arithmetic number, because the mean of its divisors is an integer number (236609985).

Almost surely, 2^473219969 is an apocalyptic number.

It is an amenable number.

473219969 is a deficient number, since it is larger than the sum of its proper divisors (1).

473219969 is an equidigital number, since it uses as much as digits as its factorization.

473219969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 50.

The square root of 473219969 is about 21753.6196758149. The cubic root of 473219969 is about 779.2695160804.

The spelling of 473219969 in words is "four hundred seventy-three million, two hundred nineteen thousand, nine hundred sixty-nine".