490873073 has 2 divisors, whose sum is σ = 490873074. Its totient is φ = 490873072.

The previous prime is 490873069. The next prime is 490873081. The reversal of 490873073 is 370378094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487217329 + 3655744 = 22073^2 + 1912^2 .

It is a cyclic number.

It is not a de Polignac number, because 490873073 - 2² = 490873069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 490873073.

It is not a weakly prime, because it can be changed into another prime (490873013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245436536 + 245436537.

It is an arithmetic number, because the mean of its divisors is an integer number (245436537).

Almost surely, 2^490873073 is an apocalyptic number.

It is an amenable number.

490873073 is a deficient number, since it is larger than the sum of its proper divisors (1).

490873073 is an equidigital number, since it uses as much as digits as its factorization.

490873073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 490873073 is about 22155.6555533796. The cubic root of 490873073 is about 788.8414749708.

The spelling of 490873073 in words is "four hundred ninety million, eight hundred seventy-three thousand, seventy-three".