499536091 has 2 divisors, whose sum is σ = 499536092. Its totient is φ = 499536090.

The previous prime is 499536083. The next prime is 499536101. The reversal of 499536091 is 190635994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499536091 - 2³ = 499536083 is a prime.

It is not a weakly prime, because it can be changed into another prime (499536061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249768045 + 249768046.

It is an arithmetic number, because the mean of its divisors is an integer number (249768046).

Almost surely, 2^499536091 is an apocalyptic number.

499536091 is a deficient number, since it is larger than the sum of its proper divisors (1).

499536091 is an equidigital number, since it uses as much as digits as its factorization.

499536091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 499536091 is about 22350.3040471489. The cubic root of 499536091 is about 793.4549801496.

The spelling of 499536091 in words is "four hundred ninety-nine million, five hundred thirty-six thousand, ninety-one".