499116451 has 2 divisors, whose sum is σ = 499116452. Its totient is φ = 499116450.

The previous prime is 499116383. The next prime is 499116463. The reversal of 499116451 is 154611994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499116451 - 2⁷ = 499116323 is a prime.

It is not a weakly prime, because it can be changed into another prime (499116551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249558225 + 249558226.

It is an arithmetic number, because the mean of its divisors is an integer number (249558226).

Almost surely, 2^499116451 is an apocalyptic number.

499116451 is a deficient number, since it is larger than the sum of its proper divisors (1).

499116451 is an equidigital number, since it uses as much as digits as its factorization.

499116451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 40.

The square root of 499116451 is about 22340.9142829921. The cubic root of 499116451 is about 793.2327347942.

The spelling of 499116451 in words is "four hundred ninety-nine million, one hundred sixteen thousand, four hundred fifty-one".