499486363777 has 2 divisors, whose sum is σ = 499486363778. Its totient is φ = 499486363776.

The previous prime is 499486363723. The next prime is 499486363801. The reversal of 499486363777 is 777363684994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496765593856 + 2720769921 = 704816^2 + 52161^2 .

It is a cyclic number.

It is not a de Polignac number, because 499486363777 - 2¹¹ = 499486361729 is a prime.

It is not a weakly prime, because it can be changed into another prime (499486366777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249743181888 + 249743181889.

It is an arithmetic number, because the mean of its divisors is an integer number (249743181889).

Almost surely, 2^499486363777 is an apocalyptic number.

It is an amenable number.

499486363777 is a deficient number, since it is larger than the sum of its proper divisors (1).

499486363777 is an equidigital number, since it uses as much as digits as its factorization.

499486363777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152216576, while the sum is 73.

The spelling of 499486363777 in words is "four hundred ninety-nine billion, four hundred eighty-six million, three hundred sixty-three thousand, seven hundred seventy-seven".