499945141 has 2 divisors, whose sum is σ = 499945142. Its totient is φ = 499945140.

The previous prime is 499945139. The next prime is 499945183. The reversal of 499945141 is 141549994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386948241 + 112996900 = 19671^2 + 10630^2 .

It is a cyclic number.

It is not a de Polignac number, because 499945141 - 2¹ = 499945139 is a prime.

Together with 499945139, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 499945091 and 499945100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499945111) 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, 249972570 + 249972571.

It is an arithmetic number, because the mean of its divisors is an integer number (249972571).

Almost surely, 2^499945141 is an apocalyptic number.

It is an amenable number.

499945141 is a deficient number, since it is larger than the sum of its proper divisors (1).

499945141 is an equidigital number, since it uses as much as digits as its factorization.

499945141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 499945141 is about 22359.4530568169. The cubic root of 499945141 is about 793.6714971776.

The spelling of 499945141 in words is "four hundred ninety-nine million, nine hundred forty-five thousand, one hundred forty-one".