490129049 has 2 divisors, whose sum is σ = 490129050. Its totient is φ = 490129048.

The previous prime is 490129039. The next prime is 490129051. The reversal of 490129049 is 940921094.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447618649 + 42510400 = 21157^2 + 6520^2 .

It is a cyclic number.

It is not a de Polignac number, because 490129049 - 2¹² = 490124953 is a prime.

Together with 490129051, 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 (490129039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245064524 + 245064525.

It is an arithmetic number, because the mean of its divisors is an integer number (245064525).

Almost surely, 2^490129049 is an apocalyptic number.

It is an amenable number.

490129049 is a deficient number, since it is larger than the sum of its proper divisors (1).

490129049 is an equidigital number, since it uses as much as digits as its factorization.

490129049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 490129049 is about 22138.8583490658. The cubic root of 490129049 is about 788.4427203131.

The spelling of 490129049 in words is "four hundred ninety million, one hundred twenty-nine thousand, forty-nine".