471308869 has 2 divisors, whose sum is σ = 471308870. Its totient is φ = 471308868.

The previous prime is 471308857. The next prime is 471308879. The reversal of 471308869 is 968803174.

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., 321735969 + 149572900 = 17937^2 + 12230^2 .

It is a cyclic number.

It is not a de Polignac number, because 471308869 - 2²³ = 462920261 is a prime.

It is a super-2 number, since 2×471308869² = 444264099996118322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471308879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235654434 + 235654435.

It is an arithmetic number, because the mean of its divisors is an integer number (235654435).

Almost surely, 2^471308869 is an apocalyptic number.

It is an amenable number.

471308869 is a deficient number, since it is larger than the sum of its proper divisors (1).

471308869 is an equidigital number, since it uses as much as digits as its factorization.

471308869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 471308869 is about 21709.6492141167. The cubic root of 471308869 is about 778.2190734561.

The spelling of 471308869 in words is "four hundred seventy-one million, three hundred eight thousand, eight hundred sixty-nine".