472428724216069 has 2 divisors, whose sum is σ = 472428724216070. Its totient is φ = 472428724216068.

The previous prime is 472428724216061. The next prime is 472428724216117. The reversal of 472428724216069 is 960612427824274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363975349547044 + 108453374669025 = 19078138^2 + 10414095^2 .

It is a cyclic number.

It is not a de Polignac number, because 472428724216069 - 2³ = 472428724216061 is a prime.

It is a super-2 number, since 2×472428724216069² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 472428724216069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472428724216061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236214362108034 + 236214362108035.

It is an arithmetic number, because the mean of its divisors is an integer number (236214362108035).

Almost surely, 2^{472428724216069} is an apocalyptic number.

It is an amenable number.

472428724216069 is a deficient number, since it is larger than the sum of its proper divisors (1).

472428724216069 is an equidigital number, since it uses as much as digits as its factorization.

472428724216069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 130056192, while the sum is 64.

The spelling of 472428724216069 in words is "four hundred seventy-two trillion, four hundred twenty-eight billion, seven hundred twenty-four million, two hundred sixteen thousand, sixty-nine".