6577442091 has 12 divisors (see below), whose sum is σ = 10364454360. Its totient is φ = 3986328480.

The previous prime is 6577442041. The next prime is 6577442101. The reversal of 6577442091 is 1902447756.

It is not a de Polignac number, because 6577442091 - 2²¹ = 6575344939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6577442041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33219306 + ... + 33219503.

It is an arithmetic number, because the mean of its divisors is an integer number (863704530).

Almost surely, 2^6577442091 is an apocalyptic number.

6577442091 is a deficient number, since it is larger than the sum of its proper divisors (3787012269).

6577442091 is a wasteful number, since it uses less digits than its factorization.

6577442091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66438826 (or 66438823 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 6577442091 is about 81101.4308813353. The cubic root of 6577442091 is about 1873.6379646447.

The spelling of 6577442091 in words is "six billion, five hundred seventy-seven million, four hundred forty-two thousand, ninety-one".