6765487091 has 16 divisors (see below), whose sum is σ = 7443031680. Its totient is φ = 6098473920.

The previous prime is 6765487081. The next prime is 6765487109. The reversal of 6765487091 is 1907845676.

It is not a de Polignac number, because 6765487091 - 2¹⁴ = 6765470707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6765487081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1454816 + ... + 1459458.

It is an arithmetic number, because the mean of its divisors is an integer number (465189480).

Almost surely, 2^6765487091 is an apocalyptic number.

6765487091 is a deficient number, since it is larger than the sum of its proper divisors (677544589).

6765487091 is a wasteful number, since it uses less digits than its factorization.

6765487091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 6765487091 is about 82252.5810598063. The cubic root of 6765487091 is about 1891.3258420928.

The spelling of 6765487091 in words is "six billion, seven hundred sixty-five million, four hundred eighty-seven thousand, ninety-one".