6488290771 has 4 divisors (see below), whose sum is σ = 6869954952. Its totient is φ = 6106626592.

The previous prime is 6488290709. The next prime is 6488290799. The reversal of 6488290771 is 1770928846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6488290771 - 2²¹ = 6486193619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6488290871) 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 3 ways as a sum of consecutive naturals, for example, 190832065 + ... + 190832098.

It is an arithmetic number, because the mean of its divisors is an integer number (1717488738).

Almost surely, 2^6488290771 is an apocalyptic number.

6488290771 is a deficient number, since it is larger than the sum of its proper divisors (381664181).

6488290771 is a wasteful number, since it uses less digits than its factorization.

6488290771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381664180.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 6488290771 is about 80549.9271942564. The cubic root of 6488290771 is about 1865.1342682097.

The spelling of 6488290771 in words is "six billion, four hundred eighty-eight million, two hundred ninety thousand, seven hundred seventy-one".