6540743675 has 12 divisors (see below), whose sum is σ = 8123902656. Its totient is φ = 5223962400.

The previous prime is 6540743669. The next prime is 6540743687. The reversal of 6540743675 is 5763470456.

It is a de Polignac number, because none of the positive numbers 2^k-6540743675 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200336 + ... + 230685.

It is an arithmetic number, because the mean of its divisors is an integer number (676991888).

Almost surely, 2^6540743675 is an apocalyptic number.

6540743675 is a deficient number, since it is larger than the sum of its proper divisors (1583158981).

6540743675 is a wasteful number, since it uses less digits than its factorization.

6540743675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431638 (or 431633 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 47.

The square root of 6540743675 is about 80874.8642966404. The cubic root of 6540743675 is about 1870.1468494970.

The spelling of 6540743675 in words is "six billion, five hundred forty million, seven hundred forty-three thousand, six hundred seventy-five".