499235149 has 4 divisors (see below), whose sum is σ = 570554464. Its totient is φ = 427915836.

The previous prime is 499235137. The next prime is 499235189. The reversal of 499235149 is 941532994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941532994 = 2 ⋅470766497.

It is a cyclic number.

It is not a de Polignac number, because 499235149 - 2²³ = 490846541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499235099 and 499235108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499235119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35659647 + ... + 35659660.

It is an arithmetic number, because the mean of its divisors is an integer number (142638616).

Almost surely, 2^499235149 is an apocalyptic number.

It is an amenable number.

499235149 is a deficient number, since it is larger than the sum of its proper divisors (71319315).

499235149 is an equidigital number, since it uses as much as digits as its factorization.

499235149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71319314.

The product of its digits is 349920, while the sum is 46.

The square root of 499235149 is about 22343.5706412382. The cubic root of 499235149 is about 793.2956110201.

The spelling of 499235149 in words is "four hundred ninety-nine million, two hundred thirty-five thousand, one hundred forty-nine".