2675565657 has 6 divisors (see below), whose sum is σ = 3864705962. Its totient is φ = 1783710432.

The previous prime is 2675565623. The next prime is 2675565667. The reversal of 2675565657 is 7565655762.

It is a happy number.

2675565657 is a `hidden beast` number, since 2 + 6 + 75 + 5 + 6 + 565 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2029592601 + 645973056 = 45051^2 + 25416^2 .

It is not a de Polignac number, because 2675565657 - 2⁸ = 2675565401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2675565667) 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 5 ways as a sum of consecutive naturals, for example, 148642528 + ... + 148642545.

Almost surely, 2^2675565657 is an apocalyptic number.

It is an amenable number.

2675565657 is a deficient number, since it is larger than the sum of its proper divisors (1189140305).

2675565657 is a wasteful number, since it uses less digits than its factorization.

2675565657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297285079 (or 297285076 counting only the distinct ones).

The product of its digits is 13230000, while the sum is 54.

The square root of 2675565657 is about 51725.8702875070. The cubic root of 2675565657 is about 1388.2633897985.

The spelling of 2675565657 in words is "two billion, six hundred seventy-five million, five hundred sixty-five thousand, six hundred fifty-seven".