499992709 has 2 divisors, whose sum is σ = 499992710. Its totient is φ = 499992708.

The previous prime is 499992679. The next prime is 499992739. The reversal of 499992709 is 907299994.

It is a balanced prime because it is at equal distance from previous prime (499992679) and next prime (499992739).

It can be written as a sum of positive squares in only one way, i.e., 390852900 + 109139809 = 19770^2 + 10447^2 .

It is a cyclic number.

It is not a de Polignac number, because 499992709 - 2⁵ = 499992677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499992739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249996354 + 249996355.

It is an arithmetic number, because the mean of its divisors is an integer number (249996355).

Almost surely, 2^499992709 is an apocalyptic number.

It is an amenable number.

499992709 is a deficient number, since it is larger than the sum of its proper divisors (1).

499992709 is an equidigital number, since it uses as much as digits as its factorization.

499992709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3306744, while the sum is 58.

The square root of 499992709 is about 22360.5167426873. The cubic root of 499992709 is about 793.6966680517.

The spelling of 499992709 in words is "four hundred ninety-nine million, nine hundred ninety-two thousand, seven hundred nine".