6654254889 has 4 divisors (see below), whose sum is σ = 8872339856. Its totient is φ = 4436169924.

The previous prime is 6654254881. The next prime is 6654254939. The reversal of 6654254889 is 9884524566.

It is a happy number.

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 not a de Polignac number, because 6654254889 - 2³ = 6654254881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6654254881) 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, 1109042479 + ... + 1109042484.

It is an arithmetic number, because the mean of its divisors is an integer number (2218084964).

Almost surely, 2^6654254889 is an apocalyptic number.

It is an amenable number.

6654254889 is a deficient number, since it is larger than the sum of its proper divisors (2218084967).

6654254889 is a wasteful number, since it uses less digits than its factorization.

6654254889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218084966.

The product of its digits is 16588800, while the sum is 57.

The square root of 6654254889 is about 81573.6163780913. The cubic root of 6654254889 is about 1880.9033391713.

The spelling of 6654254889 in words is "six billion, six hundred fifty-four million, two hundred fifty-four thousand, eight hundred eighty-nine".