490733549 has 2 divisors, whose sum is σ = 490733550. Its totient is φ = 490733548.

The previous prime is 490733531. The next prime is 490733557. The reversal of 490733549 is 945337094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430562500 + 60171049 = 20750^2 + 7757^2 .

It is a cyclic number.

It is not a de Polignac number, because 490733549 - 2⁸ = 490733293 is a prime.

It is a super-2 number, since 2×490733549² = 481638832228270802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490733249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245366774 + 245366775.

It is an arithmetic number, because the mean of its divisors is an integer number (245366775).

Almost surely, 2^490733549 is an apocalyptic number.

It is an amenable number.

490733549 is a deficient number, since it is larger than the sum of its proper divisors (1).

490733549 is an equidigital number, since it uses as much as digits as its factorization.

490733549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 490733549 is about 22152.5066076054. The cubic root of 490733549 is about 788.7667287322.

The spelling of 490733549 in words is "four hundred ninety million, seven hundred thirty-three thousand, five hundred forty-nine".