499476818677 has 2 divisors, whose sum is σ = 499476818678. Its totient is φ = 499476818676.

The previous prime is 499476818653. The next prime is 499476818699. The reversal of 499476818677 is 776818674994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 479430223281 + 20046595396 = 692409^2 + 141586^2 .

It is a cyclic number.

It is not a de Polignac number, because 499476818677 - 2¹⁵ = 499476785909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499476818377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249738409338 + 249738409339.

It is an arithmetic number, because the mean of its divisors is an integer number (249738409339).

Almost surely, 2^499476818677 is an apocalyptic number.

It is an amenable number.

499476818677 is a deficient number, since it is larger than the sum of its proper divisors (1).

499476818677 is an equidigital number, since it uses as much as digits as its factorization.

499476818677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024192512, while the sum is 76.

The spelling of 499476818677 in words is "four hundred ninety-nine billion, four hundred seventy-six million, eight hundred eighteen thousand, six hundred seventy-seven".