499890225149 has 4 divisors (see below), whose sum is σ = 571303114464. Its totient is φ = 428477335836.

The previous prime is 499890225073. The next prime is 499890225157. The reversal of 499890225149 is 941522098994.

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.

It is a cyclic number.

It is not a de Polignac number, because 499890225149 - 2⁸ = 499890224893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499890225091 and 499890225100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499890224149) 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, 35706444647 + ... + 35706444660.

It is an arithmetic number, because the mean of its divisors is an integer number (142825778616).

Almost surely, 2^499890225149 is an apocalyptic number.

It is an amenable number.

499890225149 is a deficient number, since it is larger than the sum of its proper divisors (71412889315).

499890225149 is an equidigital number, since it uses as much as digits as its factorization.

499890225149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71412889314.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 499890225149 in words is "four hundred ninety-nine billion, eight hundred ninety million, two hundred twenty-five thousand, one hundred forty-nine".