499955066141 has 2 divisors, whose sum is σ = 499955066142. Its totient is φ = 499955066140.

The previous prime is 499955066119. The next prime is 499955066159. The reversal of 499955066141 is 141660559994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454877406916 + 45077659225 = 674446^2 + 212315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499955066141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499955063141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249977533070 + 249977533071.

It is an arithmetic number, because the mean of its divisors is an integer number (249977533071).

Almost surely, 2^499955066141 is an apocalyptic number.

It is an amenable number.

499955066141 is a deficient number, since it is larger than the sum of its proper divisors (1).

499955066141 is an equidigital number, since it uses as much as digits as its factorization.

499955066141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 499955066141 in words is "four hundred ninety-nine billion, nine hundred fifty-five million, sixty-six thousand, one hundred forty-one".