2656454589 has 16 divisors (see below), whose sum is σ = 3938184000. Its totient is φ = 1769756688.

The previous prime is 2656454579. The next prime is 2656454609. The reversal of 2656454589 is 9854546562.

2656454589 is a `hidden beast` number, since 2 + 6 + 5 + 6 + 4 + 54 + 589 = 666.

It is not a de Polignac number, because 2656454589 - 2⁵ = 2656454557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656454579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7362 + ... + 73260.

It is an arithmetic number, because the mean of its divisors is an integer number (246136500).

Almost surely, 2^2656454589 is an apocalyptic number.

It is an amenable number.

2656454589 is a deficient number, since it is larger than the sum of its proper divisors (1281729411).

2656454589 is a wasteful number, since it uses less digits than its factorization.

2656454589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67401 (or 67395 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The square root of 2656454589 is about 51540.8050868436. The cubic root of 2656454589 is about 1384.9501194528.

The spelling of 2656454589 in words is "two billion, six hundred fifty-six million, four hundred fifty-four thousand, five hundred eighty-nine".