7268085649 has 4 divisors (see below), whose sum is σ = 7928820720. Its totient is φ = 6607350580.

The previous prime is 7268085631. The next prime is 7268085679. The reversal of 7268085649 is 9465808627.

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: 9465808627 = 11 ⋅860528057.

It is a cyclic number.

It is not a de Polignac number, because 7268085649 - 2⁹ = 7268085137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7268085649.

It is not an unprimeable number, because it can be changed into a prime (7268085679) 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, 330367519 + ... + 330367540.

It is an arithmetic number, because the mean of its divisors is an integer number (1982205180).

Almost surely, 2^7268085649 is an apocalyptic number.

It is an amenable number.

7268085649 is a deficient number, since it is larger than the sum of its proper divisors (660735071).

7268085649 is a wasteful number, since it uses less digits than its factorization.

7268085649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660735070.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The square root of 7268085649 is about 85253.0682673650. The cubic root of 7268085649 is about 1937.0463475327.

The spelling of 7268085649 in words is "seven billion, two hundred sixty-eight million, eighty-five thousand, six hundred forty-nine".