490736829509 has 2 divisors, whose sum is σ = 490736829510. Its totient is φ = 490736829508.

The previous prime is 490736829487. The next prime is 490736829571. The reversal of 490736829509 is 905928637094.

It is a happy number.

It is an a-pointer prime, because the next prime (490736829571) can be obtained adding 490736829509 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 480990796225 + 9746033284 = 693535^2 + 98722^2 .

It is a cyclic number.

It is not a de Polignac number, because 490736829509 - 2³⁶ = 422017352773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490736829109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245368414754 + 245368414755.

It is an arithmetic number, because the mean of its divisors is an integer number (245368414755).

Almost surely, 2^490736829509 is an apocalyptic number.

It is an amenable number.

490736829509 is a deficient number, since it is larger than the sum of its proper divisors (1).

490736829509 is an equidigital number, since it uses as much as digits as its factorization.

490736829509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 490736829509 in words is "four hundred ninety billion, seven hundred thirty-six million, eight hundred twenty-nine thousand, five hundred nine".