6540608487 has 16 divisors (see below), whose sum is σ = 10078629120. Its totient is φ = 3695495232.

The previous prime is 6540608453. The next prime is 6540608491. The reversal of 6540608487 is 7848060456.

It is not a de Polignac number, because 6540608487 - 2⁶ = 6540608423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540608447) 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, 1747893 + ... + 1751630.

It is an arithmetic number, because the mean of its divisors is an integer number (629914320).

Almost surely, 2^6540608487 is an apocalyptic number.

6540608487 is a deficient number, since it is larger than the sum of its proper divisors (3538020633).

6540608487 is a wasteful number, since it uses less digits than its factorization.

6540608487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499622.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 6540608487 is about 80874.0285073026. The cubic root of 6540608487 is about 1870.1339649706.

The spelling of 6540608487 in words is "six billion, five hundred forty million, six hundred eight thousand, four hundred eighty-seven".