499890224893 has 2 divisors, whose sum is σ = 499890224894. Its totient is φ = 499890224892.

The previous prime is 499890224851. The next prime is 499890224909. The reversal of 499890224893 is 398422098994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472632875289 + 27257349604 = 687483^2 + 165098^2 .

It is a cyclic number.

It is not a de Polignac number, because 499890224893 - 2¹³ = 499890216701 is a prime.

It is a super-2 number, since 2×499890224893² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499890224803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249945112446 + 249945112447.

It is an arithmetic number, because the mean of its divisors is an integer number (249945112447).

Almost surely, 2^499890224893 is an apocalyptic number.

It is an amenable number.

499890224893 is a deficient number, since it is larger than the sum of its proper divisors (1).

499890224893 is an equidigital number, since it uses as much as digits as its factorization.

499890224893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80621568, while the sum is 67.

The spelling of 499890224893 in words is "four hundred ninety-nine billion, eight hundred ninety million, two hundred twenty-four thousand, eight hundred ninety-three".