490992133 has 2 divisors, whose sum is σ = 490992134. Its totient is φ = 490992132.

The previous prime is 490992083. The next prime is 490992137. The reversal of 490992133 is 331299094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453562209 + 37429924 = 21297^2 + 6118^2 .

It is a cyclic number.

It is not a de Polignac number, because 490992133 - 2²¹ = 488894981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490992137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245496066 + 245496067.

It is an arithmetic number, because the mean of its divisors is an integer number (245496067).

Almost surely, 2^490992133 is an apocalyptic number.

It is an amenable number.

490992133 is a deficient number, since it is larger than the sum of its proper divisors (1).

490992133 is an equidigital number, since it uses as much as digits as its factorization.

490992133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 490992133 is about 22158.3422890793. The cubic root of 490992133 is about 788.9052469714.

The spelling of 490992133 in words is "four hundred ninety million, nine hundred ninety-two thousand, one hundred thirty-three".