6532148881 has 4 divisors (see below), whose sum is σ = 6533881200. Its totient is φ = 6530416564.

The previous prime is 6532148837. The next prime is 6532148893. The reversal of 6532148881 is 1888412356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6532148881 - 2¹³ = 6532140689 is a prime.

It is a super-2 number, since 2×6532148881² = 85337938007099104322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6532148981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860491 + ... + 868048.

It is an arithmetic number, because the mean of its divisors is an integer number (1633470300).

Almost surely, 2^6532148881 is an apocalyptic number.

It is an amenable number.

6532148881 is a deficient number, since it is larger than the sum of its proper divisors (1732319).

6532148881 is a wasteful number, since it uses less digits than its factorization.

6532148881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732318.

The product of its digits is 368640, while the sum is 46.

The square root of 6532148881 is about 80821.7104557928. The cubic root of 6532148881 is about 1869.3273416409.

The spelling of 6532148881 in words is "six billion, five hundred thirty-two million, one hundred forty-eight thousand, eight hundred eighty-one".