490910129 has 2 divisors, whose sum is σ = 490910130. Its totient is φ = 490910128.

The previous prime is 490910111. The next prime is 490910131. The reversal of 490910129 is 921019094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 375390625 + 115519504 = 19375^2 + 10748^2 .

It is a cyclic number.

It is not a de Polignac number, because 490910129 - 2⁸ = 490909873 is a prime.

Together with 490910131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (490910929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245455064 + 245455065.

It is an arithmetic number, because the mean of its divisors is an integer number (245455065).

Almost surely, 2^490910129 is an apocalyptic number.

It is an amenable number.

490910129 is a deficient number, since it is larger than the sum of its proper divisors (1).

490910129 is an equidigital number, since it uses as much as digits as its factorization.

490910129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 490910129 is about 22156.4918026298. The cubic root of 490910129 is about 788.8613243478.

The spelling of 490910129 in words is "four hundred ninety million, nine hundred ten thousand, one hundred twenty-nine".