490063997 has 2 divisors, whose sum is σ = 490063998. Its totient is φ = 490063996.

The previous prime is 490063969. The next prime is 490063999. The reversal of 490063997 is 799360094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439070116 + 50993881 = 20954^2 + 7141^2 .

It is a cyclic number.

It is not a de Polignac number, because 490063997 - 2¹⁸ = 489801853 is a prime.

Together with 490063999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490063999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245031998 + 245031999.

It is an arithmetic number, because the mean of its divisors is an integer number (245031999).

Almost surely, 2^490063997 is an apocalyptic number.

It is an amenable number.

490063997 is a deficient number, since it is larger than the sum of its proper divisors (1).

490063997 is an equidigital number, since it uses as much as digits as its factorization.

490063997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 490063997 is about 22137.3891188640. The cubic root of 490063997 is about 788.4078369524.

The spelling of 490063997 in words is "four hundred ninety million, sixty-three thousand, nine hundred ninety-seven".