499481651 has 2 divisors, whose sum is σ = 499481652. Its totient is φ = 499481650.

The previous prime is 499481597. The next prime is 499481677. The reversal of 499481651 is 156184994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499481651 - 2¹⁸ = 499219507 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 499481596 and 499481605.

It is not a weakly prime, because it can be changed into another prime (499481681) 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, 249740825 + 249740826.

It is an arithmetic number, because the mean of its divisors is an integer number (249740826).

Almost surely, 2^499481651 is an apocalyptic number.

499481651 is a deficient number, since it is larger than the sum of its proper divisors (1).

499481651 is an equidigital number, since it uses as much as digits as its factorization.

499481651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 47.

The square root of 499481651 is about 22349.0861334418. The cubic root of 499481651 is about 793.4261552331.

The spelling of 499481651 in words is "four hundred ninety-nine million, four hundred eighty-one thousand, six hundred fifty-one".