2765616653 has 2 divisors, whose sum is σ = 2765616654. Its totient is φ = 2765616652.

The previous prime is 2765616631. The next prime is 2765616673. The reversal of 2765616653 is 3566165672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2722543684 + 43072969 = 52178^2 + 6563^2 .

It is a cyclic number.

It is not a de Polignac number, because 2765616653 - 2¹⁸ = 2765354509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2765616598 and 2765616607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2765616613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382808326 + 1382808327.

It is an arithmetic number, because the mean of its divisors is an integer number (1382808327).

Almost surely, 2^2765616653 is an apocalyptic number.

It is an amenable number.

2765616653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2765616653 is an equidigital number, since it uses as much as digits as its factorization.

2765616653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 47.

The square root of 2765616653 is about 52589.1305594607. The cubic root of 2765616653 is about 1403.6666898507. Note that the first 4 decimals are identical.

The spelling of 2765616653 in words is "two billion, seven hundred sixty-five million, six hundred sixteen thousand, six hundred fifty-three".