2447428889 has 16 divisors (see below), whose sum is σ = 2560896000. Its totient is φ = 2336252160.

The previous prime is 2447428829. The next prime is 2447428891. The reversal of 2447428889 is 9888247442.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2447428889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2447428829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569092 + ... + 1570650.

It is an arithmetic number, because the mean of its divisors is an integer number (160056000).

Almost surely, 2^2447428889 is an apocalyptic number.

It is an amenable number.

2447428889 is a deficient number, since it is larger than the sum of its proper divisors (113467111).

2447428889 is a wasteful number, since it uses less digits than its factorization.

2447428889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248.

The product of its digits is 8257536, while the sum is 56.

The square root of 2447428889 is about 49471.4957222844. The cubic root of 2447428889 is about 1347.6280046786.

The spelling of 2447428889 in words is "two billion, four hundred forty-seven million, four hundred twenty-eight thousand, eight hundred eighty-nine".