499635841 has 2 divisors, whose sum is σ = 499635842. Its totient is φ = 499635840.

The previous prime is 499635833. The next prime is 499635887. The reversal of 499635841 is 148536994.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285745216 + 213890625 = 16904^2 + 14625^2 .

It is a cyclic number.

It is not a de Polignac number, because 499635841 - 2³ = 499635833 is a prime.

It is a super-2 number, since 2×499635841² = 499271947223554562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (499635821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249817920 + 249817921.

It is an arithmetic number, because the mean of its divisors is an integer number (249817921).

Almost surely, 2^499635841 is an apocalyptic number.

It is an amenable number.

499635841 is a deficient number, since it is larger than the sum of its proper divisors (1).

499635841 is an equidigital number, since it uses as much as digits as its factorization.

499635841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 499635841 is about 22352.5354490268. The cubic root of 499635841 is about 793.5077903924.

The spelling of 499635841 in words is "four hundred ninety-nine million, six hundred thirty-five thousand, eight hundred forty-one".