490859933 has 2 divisors, whose sum is σ = 490859934. Its totient is φ = 490859932.

The previous prime is 490859923. The next prime is 490859939. The reversal of 490859933 is 339958094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431060644 + 59799289 = 20762^2 + 7733^2 .

It is a cyclic number.

It is not a de Polignac number, because 490859933 - 2⁴ = 490859917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490859939) 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, 245429966 + 245429967.

It is an arithmetic number, because the mean of its divisors is an integer number (245429967).

Almost surely, 2^490859933 is an apocalyptic number.

It is an amenable number.

490859933 is a deficient number, since it is larger than the sum of its proper divisors (1).

490859933 is an equidigital number, since it uses as much as digits as its factorization.

490859933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 490859933 is about 22155.3590131146. The cubic root of 490859933 is about 788.8344361726.

The spelling of 490859933 in words is "four hundred ninety million, eight hundred fifty-nine thousand, nine hundred thirty-three".