6515488743 has 16 divisors (see below), whose sum is σ = 8761031136. Its totient is φ = 4306959360.

The previous prime is 6515488741. The next prime is 6515488753. The reversal of 6515488743 is 3478845156.

It is not a de Polignac number, because 6515488743 - 2¹ = 6515488741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6515488741) 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 15 ways as a sum of consecutive naturals, for example, 149121 + ... + 187797.

It is an arithmetic number, because the mean of its divisors is an integer number (547564446).

Almost surely, 2^6515488743 is an apocalyptic number.

6515488743 is a deficient number, since it is larger than the sum of its proper divisors (2245542393).

6515488743 is a wasteful number, since it uses less digits than its factorization.

6515488743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39154.

The product of its digits is 3225600, while the sum is 51.

The square root of 6515488743 is about 80718.5774341942. The cubic root of 6515488743 is about 1867.7367591026.

The spelling of 6515488743 in words is "six billion, five hundred fifteen million, four hundred eighty-eight thousand, seven hundred forty-three".