490550458669 has 2 divisors, whose sum is σ = 490550458670. Its totient is φ = 490550458668.

The previous prime is 490550458639. The next prime is 490550458687. The reversal of 490550458669 is 966854055094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442078712100 + 48471746569 = 664890^2 + 220163^2 .

It is a cyclic number.

It is not a de Polignac number, because 490550458669 - 2²³ = 490542070061 is a prime.

It is a super-2 number, since 2×490550458669² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490550458639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245275229334 + 245275229335.

It is an arithmetic number, because the mean of its divisors is an integer number (245275229335).

Almost surely, 2^490550458669 is an apocalyptic number.

It is an amenable number.

490550458669 is a deficient number, since it is larger than the sum of its proper divisors (1).

490550458669 is an equidigital number, since it uses as much as digits as its factorization.

490550458669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656000, while the sum is 61.

The spelling of 490550458669 in words is "four hundred ninety billion, five hundred fifty million, four hundred fifty-eight thousand, six hundred sixty-nine".