472771469 has 2 divisors, whose sum is σ = 472771470. Its totient is φ = 472771468.

The previous prime is 472771391. The next prime is 472771493. The reversal of 472771469 is 964177274.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392436100 + 80335369 = 19810^2 + 8963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472771469 is a prime.

It is a super-2 number, since 2×472771469² = 447025723800835922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472771069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236385734 + 236385735.

It is an arithmetic number, because the mean of its divisors is an integer number (236385735).

Almost surely, 2^472771469 is an apocalyptic number.

It is an amenable number.

472771469 is a deficient number, since it is larger than the sum of its proper divisors (1).

472771469 is an equidigital number, since it uses as much as digits as its factorization.

472771469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 47.

The square root of 472771469 is about 21743.3086028783. The cubic root of 472771469 is about 779.0232508662.

The spelling of 472771469 in words is "four hundred seventy-two million, seven hundred seventy-one thousand, four hundred sixty-nine".