649034499 has 8 divisors (see below), whose sum is σ = 866779840. Its totient is φ = 431989416.

The previous prime is 649034497. The next prime is 649034521. The reversal of 649034499 is 994430946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 649034499 - 2¹ = 649034497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (649034497) 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 7 ways as a sum of consecutive naturals, for example, 172897 + ... + 176610.

It is an arithmetic number, because the mean of its divisors is an integer number (108347480).

Almost surely, 2^649034499 is an apocalyptic number.

649034499 is a deficient number, since it is larger than the sum of its proper divisors (217745341).

649034499 is a wasteful number, since it uses less digits than its factorization.

649034499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350129.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 649034499 is about 25476.1554988189. The cubic root of 649034499 is about 865.8099929472.

The spelling of 649034499 in words is "six hundred forty-nine million, thirty-four thousand, four hundred ninety-nine".