499491353 has 2 divisors, whose sum is σ = 499491354. Its totient is φ = 499491352.

The previous prime is 499491329. The next prime is 499491373. The reversal of 499491353 is 353194994.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421398784 + 78092569 = 20528^2 + 8837^2 .

It is a cyclic number.

It is not a de Polignac number, because 499491353 - 2²⁸ = 231055897 is a prime.

It is a super-2 number, since 2×499491353² = 498983223443541218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 499491298 and 499491307.

It is not a weakly prime, because it can be changed into another prime (499491373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249745676 + 249745677.

It is an arithmetic number, because the mean of its divisors is an integer number (249745677).

Almost surely, 2^499491353 is an apocalyptic number.

It is an amenable number.

499491353 is a deficient number, since it is larger than the sum of its proper divisors (1).

499491353 is an equidigital number, since it uses as much as digits as its factorization.

499491353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 47.

The square root of 499491353 is about 22349.3031882428. The cubic root of 499491353 is about 793.4312924059.

The spelling of 499491353 in words is "four hundred ninety-nine million, four hundred ninety-one thousand, three hundred fifty-three".