490644547 has 2 divisors, whose sum is σ = 490644548. Its totient is φ = 490644546.

The previous prime is 490644529. The next prime is 490644559. The reversal of 490644547 is 745446094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490644547 - 2¹¹ = 490642499 is a prime.

It is not a weakly prime, because it can be changed into another prime (490644247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245322273 + 245322274.

It is an arithmetic number, because the mean of its divisors is an integer number (245322274).

Almost surely, 2^490644547 is an apocalyptic number.

490644547 is a deficient number, since it is larger than the sum of its proper divisors (1).

490644547 is an equidigital number, since it uses as much as digits as its factorization.

490644547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 490644547 is about 22150.4976693527. The cubic root of 490644547 is about 788.7190408976.

The spelling of 490644547 in words is "four hundred ninety million, six hundred forty-four thousand, five hundred forty-seven".