499755731 has 2 divisors, whose sum is σ = 499755732. Its totient is φ = 499755730.

The previous prime is 499755703. The next prime is 499755757. The reversal of 499755731 is 137557994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499755731 - 2²⁶ = 432646867 is a prime.

It is a super-2 number, since 2×499755731² = 499511581334688722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499755731.

It is not a weakly prime, because it can be changed into another prime (499755031) 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, 249877865 + 249877866.

It is an arithmetic number, because the mean of its divisors is an integer number (249877866).

Almost surely, 2^499755731 is an apocalyptic number.

499755731 is a deficient number, since it is larger than the sum of its proper divisors (1).

499755731 is an equidigital number, since it uses as much as digits as its factorization.

499755731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 50.

The square root of 499755731 is about 22355.2170868457. The cubic root of 499755731 is about 793.5712539745.

The spelling of 499755731 in words is "four hundred ninety-nine million, seven hundred fifty-five thousand, seven hundred thirty-one".