498815149 has 6 divisors (see below), whose sum is σ = 580254414. Its totient is φ = 427555800.

The previous prime is 498815137. The next prime is 498815159. The reversal of 498815149 is 941518894.

It can be written as a sum of positive squares in only one way, i.e., 493639524 + 5175625 = 22218^2 + 2275^2 .

It is not a de Polignac number, because 498815149 - 2⁹ = 498814637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 10179901 = 498815149 / (4 + 9 + 8 + 8 + 1 + 5 + 1 + 4 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498815159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5089902 + ... + 5089999.

It is an arithmetic number, because the mean of its divisors is an integer number (96709069).

Almost surely, 2^498815149 is an apocalyptic number.

498815149 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

498815149 is a deficient number, since it is larger than the sum of its proper divisors (81439265).

498815149 is a wasteful number, since it uses less digits than its factorization.

498815149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179915 (or 10179908 counting only the distinct ones).

The product of its digits is 414720, while the sum is 49.

The square root of 498815149 is about 22334.1699868162. The cubic root of 498815149 is about 793.0730855326.

The spelling of 498815149 in words is "four hundred ninety-eight million, eight hundred fifteen thousand, one hundred forty-nine".