499694453 has 2 divisors, whose sum is σ = 499694454. Its totient is φ = 499694452.

The previous prime is 499694449. The next prime is 499694467. The reversal of 499694453 is 354496994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464919844 + 34774609 = 21562^2 + 5897^2 .

It is a cyclic number.

It is not a de Polignac number, because 499694453 - 2² = 499694449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499694395 and 499694404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499694473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249847226 + 249847227.

It is an arithmetic number, because the mean of its divisors is an integer number (249847227).

Almost surely, 2^499694453 is an apocalyptic number.

It is an amenable number.

499694453 is a deficient number, since it is larger than the sum of its proper divisors (1).

499694453 is an equidigital number, since it uses as much as digits as its factorization.

499694453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 53.

The square root of 499694453 is about 22353.8464922706. The cubic root of 499694453 is about 793.5388178303.

The spelling of 499694453 in words is "four hundred ninety-nine million, six hundred ninety-four thousand, four hundred fifty-three".