498951749 has 4 divisors (see below), whose sum is σ = 500727660. Its totient is φ = 497175840.

The previous prime is 498951737. The next prime is 498951763. The reversal of 498951749 is 947159894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190246849 + 308704900 = 13793^2 + 17570^2 .

It is a cyclic number.

It is not a de Polignac number, because 498951749 - 2⁸ = 498951493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 498951694 and 498951703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498951709) 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 3 ways as a sum of consecutive naturals, for example, 887534 + ... + 888095.

It is an arithmetic number, because the mean of its divisors is an integer number (125181915).

Almost surely, 2^498951749 is an apocalyptic number.

It is an amenable number.

498951749 is a deficient number, since it is larger than the sum of its proper divisors (1775911).

498951749 is a wasteful number, since it uses less digits than its factorization.

498951749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775910.

The product of its digits is 3265920, while the sum is 56.

The square root of 498951749 is about 22337.2278718734. The cubic root of 498951749 is about 793.1454729999.

The spelling of 498951749 in words is "four hundred ninety-eight million, nine hundred fifty-one thousand, seven hundred forty-nine".