472989133 has 2 divisors, whose sum is σ = 472989134. Its totient is φ = 472989132.

The previous prime is 472989091. The next prime is 472989137. The reversal of 472989133 is 331989274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241553764 + 231435369 = 15542^2 + 15213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472989133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472989137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236494566 + 236494567.

It is an arithmetic number, because the mean of its divisors is an integer number (236494567).

Almost surely, 2^472989133 is an apocalyptic number.

It is an amenable number.

472989133 is a deficient number, since it is larger than the sum of its proper divisors (1).

472989133 is an equidigital number, since it uses as much as digits as its factorization.

472989133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 472989133 is about 21748.3133369004. The cubic root of 472989133 is about 779.1427866334.

The spelling of 472989133 in words is "four hundred seventy-two million, nine hundred eighty-nine thousand, one hundred thirty-three".