472790189 has 2 divisors, whose sum is σ = 472790190. Its totient is φ = 472790188.

The previous prime is 472790177. The next prime is 472790209. The reversal of 472790189 is 981097274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472714564 + 75625 = 21742^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 472790189 - 2⁴ = 472790173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472790119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236395094 + 236395095.

It is an arithmetic number, because the mean of its divisors is an integer number (236395095).

Almost surely, 2^472790189 is an apocalyptic number.

It is an amenable number.

472790189 is a deficient number, since it is larger than the sum of its proper divisors (1).

472790189 is an equidigital number, since it uses as much as digits as its factorization.

472790189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 472790189 is about 21743.7390758811. The cubic root of 472790189 is about 779.0335328761.

The spelling of 472790189 in words is "four hundred seventy-two million, seven hundred ninety thousand, one hundred eighty-nine".