499806751 has 2 divisors, whose sum is σ = 499806752. Its totient is φ = 499806750.

The previous prime is 499806731. The next prime is 499806757. The reversal of 499806751 is 157608994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499806751 - 2⁵ = 499806719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499806695 and 499806704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499806757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249903375 + 249903376.

It is an arithmetic number, because the mean of its divisors is an integer number (249903376).

Almost surely, 2^499806751 is an apocalyptic number.

499806751 is a deficient number, since it is larger than the sum of its proper divisors (1).

499806751 is an equidigital number, since it uses as much as digits as its factorization.

499806751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 499806751 is about 22356.3581783796. The cubic root of 499806751 is about 793.5982582522.

The spelling of 499806751 in words is "four hundred ninety-nine million, eight hundred six thousand, seven hundred fifty-one".