473219869 has 2 divisors, whose sum is σ = 473219870. Its totient is φ = 473219868.

The previous prime is 473219843. The next prime is 473219891. The reversal of 473219869 is 968912374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335439225 + 137780644 = 18315^2 + 11738^2 .

It is a cyclic number.

It is not a de Polignac number, because 473219869 - 2⁷ = 473219741 is a prime.

It is a super-2 number, since 2×473219869² = 447874088832754322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473219969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236609934 + 236609935.

It is an arithmetic number, because the mean of its divisors is an integer number (236609935).

Almost surely, 2^473219869 is an apocalyptic number.

It is an amenable number.

473219869 is a deficient number, since it is larger than the sum of its proper divisors (1).

473219869 is an equidigital number, since it uses as much as digits as its factorization.

473219869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 473219869 is about 21753.6173773467. The cubic root of 473219869 is about 779.2694611891.

The spelling of 473219869 in words is "four hundred seventy-three million, two hundred nineteen thousand, eight hundred sixty-nine".