499647451 has 2 divisors, whose sum is σ = 499647452. Its totient is φ = 499647450.

The previous prime is 499647437. The next prime is 499647457. The reversal of 499647451 is 154746994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499647451 - 2¹¹ = 499645403 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 499647395 and 499647404.

It is not a weakly prime, because it can be changed into another prime (499647457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249823725 + 249823726.

It is an arithmetic number, because the mean of its divisors is an integer number (249823726).

Almost surely, 2^499647451 is an apocalyptic number.

499647451 is a deficient number, since it is larger than the sum of its proper divisors (1).

499647451 is an equidigital number, since it uses as much as digits as its factorization.

499647451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 499647451 is about 22352.7951496004. The cubic root of 499647451 is about 793.5139365715.

The spelling of 499647451 in words is "four hundred ninety-nine million, six hundred forty-seven thousand, four hundred fifty-one".