490516154724977 has 2 divisors, whose sum is σ = 490516154724978. Its totient is φ = 490516154724976.

The previous prime is 490516154724943. The next prime is 490516154725019. The reversal of 490516154724977 is 779427451615094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488930328309361 + 1585826415616 = 22111769^2 + 1259296^2 .

It is a cyclic number.

It is not a de Polignac number, because 490516154724977 - 2¹⁰ = 490516154723953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 490516154724977.

It is not a weakly prime, because it can be changed into another prime (490516154724577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245258077362488 + 245258077362489.

It is an arithmetic number, because the mean of its divisors is an integer number (245258077362489).

Almost surely, 2^{490516154724977} is an apocalyptic number.

It is an amenable number.

490516154724977 is a deficient number, since it is larger than the sum of its proper divisors (1).

490516154724977 is an equidigital number, since it uses as much as digits as its factorization.

490516154724977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 533433600, while the sum is 71.

The spelling of 490516154724977 in words is "four hundred ninety trillion, five hundred sixteen billion, one hundred fifty-four million, seven hundred twenty-four thousand, nine hundred seventy-seven".