472165489 has 2 divisors, whose sum is σ = 472165490. Its totient is φ = 472165488.

The previous prime is 472165451. The next prime is 472165543. The reversal of 472165489 is 984561274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350438400 + 121727089 = 18720^2 + 11033^2 .

It is a cyclic number.

It is not a de Polignac number, because 472165489 - 2⁹ = 472164977 is a prime.

It is not a weakly prime, because it can be changed into another prime (472165439) 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, 236082744 + 236082745.

It is an arithmetic number, because the mean of its divisors is an integer number (236082745).

Almost surely, 2^472165489 is an apocalyptic number.

It is an amenable number.

472165489 is a deficient number, since it is larger than the sum of its proper divisors (1).

472165489 is an equidigital number, since it uses as much as digits as its factorization.

472165489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 472165489 is about 21729.3692729449. The cubic root of 472165489 is about 778.6902680341.

The spelling of 472165489 in words is "four hundred seventy-two million, one hundred sixty-five thousand, four hundred eighty-nine".