649176017 has 4 divisors (see below), whose sum is σ = 741915456. Its totient is φ = 556436580.

The previous prime is 649176013. The next prime is 649176019. The reversal of 649176017 is 710671946.

649176017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 710671946 = 2 ⋅355335973.

It is not a de Polignac number, because 649176017 - 2² = 649176013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (649176013) 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, 46369709 + ... + 46369722.

It is an arithmetic number, because the mean of its divisors is an integer number (185478864).

Almost surely, 2^649176017 is an apocalyptic number.

It is an amenable number.

649176017 is a deficient number, since it is larger than the sum of its proper divisors (92739439).

649176017 is an equidigital number, since it uses as much as digits as its factorization.

649176017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92739438.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 649176017 is about 25478.9328073214. The cubic root of 649176017 is about 865.8729165639.

The spelling of 649176017 in words is "six hundred forty-nine million, one hundred seventy-six thousand, seventeen".