499631701 has 2 divisors, whose sum is σ = 499631702. Its totient is φ = 499631700.

The previous prime is 499631687. The next prime is 499631711. The reversal of 499631701 is 107136994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395612100 + 104019601 = 19890^2 + 10199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499631701 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 (499631711) 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, 249815850 + 249815851.

It is an arithmetic number, because the mean of its divisors is an integer number (249815851).

Almost surely, 2^499631701 is an apocalyptic number.

It is an amenable number.

499631701 is a deficient number, since it is larger than the sum of its proper divisors (1).

499631701 is an equidigital number, since it uses as much as digits as its factorization.

499631701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 499631701 is about 22352.4428418909. The cubic root of 499631701 is about 793.5055987086.

The spelling of 499631701 in words is "four hundred ninety-nine million, six hundred thirty-one thousand, seven hundred one".