498944687 has 2 divisors, whose sum is σ = 498944688. Its totient is φ = 498944686.

The previous prime is 498944639. The next prime is 498944711. The reversal of 498944687 is 786449894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498944687 - 2⁸ = 498944431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498944387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249472343 + 249472344.

It is an arithmetic number, because the mean of its divisors is an integer number (249472344).

Almost surely, 2^498944687 is an apocalyptic number.

498944687 is a deficient number, since it is larger than the sum of its proper divisors (1).

498944687 is an equidigital number, since it uses as much as digits as its factorization.

498944687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 59.

The square root of 498944687 is about 22337.0697944023. The cubic root of 498944687 is about 793.1417310083.

The spelling of 498944687 in words is "four hundred ninety-eight million, nine hundred forty-four thousand, six hundred eighty-seven".