2765652657 has 16 divisors (see below), whose sum is σ = 3823848000. Its totient is φ = 1775918144.

The previous prime is 2765652611. The next prime is 2765652689. The reversal of 2765652657 is 7562565672.

It is a cyclic number.

It is not a de Polignac number, because 2765652657 - 2⁷ = 2765652529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2765652257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1482 + ... + 74387.

It is an arithmetic number, because the mean of its divisors is an integer number (238990500).

Almost surely, 2^2765652657 is an apocalyptic number.

It is an amenable number.

2765652657 is a deficient number, since it is larger than the sum of its proper divisors (1058195343).

2765652657 is a wasteful number, since it uses less digits than its factorization.

2765652657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76320.

The product of its digits is 5292000, while the sum is 51.

The square root of 2765652657 is about 52589.4728724295. The cubic root of 2765652657 is about 1403.6727810053.

The spelling of 2765652657 in words is "two billion, seven hundred sixty-five million, six hundred fifty-two thousand, six hundred fifty-seven".