499919837 has 2 divisors, whose sum is σ = 499919838. Its totient is φ = 499919836.

The previous prime is 499919831. The next prime is 499919851. The reversal of 499919837 is 738919994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264420121 + 235499716 = 16261^2 + 15346^2 .

It is a cyclic number.

It is not a de Polignac number, because 499919837 - 2¹⁶ = 499854301 is a prime.

It is a super-2 number, since 2×499919837² = 499839686852213138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499919831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249959918 + 249959919.

It is an arithmetic number, because the mean of its divisors is an integer number (249959919).

Almost surely, 2^499919837 is an apocalyptic number.

It is an amenable number.

499919837 is a deficient number, since it is larger than the sum of its proper divisors (1).

499919837 is an equidigital number, since it uses as much as digits as its factorization.

499919837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 59.

The square root of 499919837 is about 22358.8872039733. The cubic root of 499919837 is about 793.6581067735.

The spelling of 499919837 in words is "four hundred ninety-nine million, nine hundred nineteen thousand, eight hundred thirty-seven".