6484889091 has 8 divisors (see below), whose sum is σ = 8646891264. Its totient is φ = 4323073160.

The previous prime is 6484889083. The next prime is 6484889111. The reversal of 6484889091 is 1909884846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6484889091 - 2³ = 6484889083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6484889051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107746 + ... + 156776.

It is an arithmetic number, because the mean of its divisors is an integer number (1080861408).

Almost surely, 2^6484889091 is an apocalyptic number.

6484889091 is a deficient number, since it is larger than the sum of its proper divisors (2162002173).

6484889091 is a wasteful number, since it uses less digits than its factorization.

6484889091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93121.

The product of its (nonzero) digits is 3981312, while the sum is 57.

The square root of 6484889091 is about 80528.8090747653. The cubic root of 6484889091 is about 1864.8082604693.

The spelling of 6484889091 in words is "six billion, four hundred eighty-four million, eight hundred eighty-nine thousand, ninety-one".