6765636489 has 16 divisors (see below), whose sum is σ = 10054198080. Its totient is φ = 4021678080.

The previous prime is 6765636487. The next prime is 6765636491. The reversal of 6765636489 is 9846365676.

It is an interprime number because it is at equal distance from previous prime (6765636487) and next prime (6765636491).

It is not a de Polignac number, because 6765636489 - 2¹ = 6765636487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6765636487) 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, 3490072 + ... + 3492009.

It is an arithmetic number, because the mean of its divisors is an integer number (628387380).

Almost surely, 2^6765636489 is an apocalyptic number.

It is an amenable number.

6765636489 is a deficient number, since it is larger than the sum of its proper divisors (3288561591).

6765636489 is a wasteful number, since it uses less digits than its factorization.

6765636489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982120.

The product of its digits is 39191040, while the sum is 60.

The square root of 6765636489 is about 82253.4892208227. The cubic root of 6765636489 is about 1891.3397636436.

The spelling of 6765636489 in words is "six billion, seven hundred sixty-five million, six hundred thirty-six thousand, four hundred eighty-nine".