6773648537 has 4 divisors (see below), whose sum is σ = 6778929360. Its totient is φ = 6768367716.

The previous prime is 6773648501. The next prime is 6773648543. The reversal of 6773648537 is 7358463776.

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.

It is a cyclic number.

It is not a de Polignac number, because 6773648537 - 2¹⁶ = 6773583001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6773648587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2638487 + ... + 2641052.

It is an arithmetic number, because the mean of its divisors is an integer number (1694732340).

Almost surely, 2^6773648537 is an apocalyptic number.

It is an amenable number.

6773648537 is a deficient number, since it is larger than the sum of its proper divisors (5280823).

6773648537 is a wasteful number, since it uses less digits than its factorization.

6773648537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280822.

The product of its digits is 17781120, while the sum is 56.

The square root of 6773648537 is about 82302.1782032529. The cubic root of 6773648537 is about 1892.0860608668.

The spelling of 6773648537 in words is "six billion, seven hundred seventy-three million, six hundred forty-eight thousand, five hundred thirty-seven".