499993238441 has 2 divisors, whose sum is σ = 499993238442. Its totient is φ = 499993238440.

The previous prime is 499993238401. The next prime is 499993238447. The reversal of 499993238441 is 144832399994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254591894041 + 245401344400 = 504571^2 + 495380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499993238441 is a prime.

It is a super-2 number, since 2×499993238441² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (499993238447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249996619220 + 249996619221.

It is an arithmetic number, because the mean of its divisors is an integer number (249996619221).

Almost surely, 2^499993238441 is an apocalyptic number.

It is an amenable number.

499993238441 is a deficient number, since it is larger than the sum of its proper divisors (1).

499993238441 is an equidigital number, since it uses as much as digits as its factorization.

499993238441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60466176, while the sum is 65.

The spelling of 499993238441 in words is "four hundred ninety-nine billion, nine hundred ninety-three million, two hundred thirty-eight thousand, four hundred forty-one".