473389109 has 2 divisors, whose sum is σ = 473389110. Its totient is φ = 473389108.

The previous prime is 473389073. The next prime is 473389141. The reversal of 473389109 is 901983374.

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., 335256100 + 138133009 = 18310^2 + 11753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473389109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 473389109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473383109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236694554 + 236694555.

It is an arithmetic number, because the mean of its divisors is an integer number (236694555).

Almost surely, 2^473389109 is an apocalyptic number.

It is an amenable number.

473389109 is a deficient number, since it is larger than the sum of its proper divisors (1).

473389109 is an equidigital number, since it uses as much as digits as its factorization.

473389109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 473389109 is about 21757.5069573699. The cubic root of 473389109 is about 779.3623481347.

The spelling of 473389109 in words is "four hundred seventy-three million, three hundred eighty-nine thousand, one hundred nine".