3655772775563 has 2 divisors, whose sum is σ = 3655772775564. Its totient is φ = 3655772775562.

The previous prime is 3655772775559. The next prime is 3655772775583.

3655772775563 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 3655772775563 - 2² = 3655772775559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3655772775493 and 3655772775502.

It is not a weakly prime, because it can be changed into another prime (3655772775503) 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 as a sum of consecutive naturals, namely, 1827886387781 + 1827886387782.

It is an arithmetic number, because the mean of its divisors is an integer number (1827886387782).

Almost surely, 2^{3655772775563} is an apocalyptic number.

3655772775563 is a deficient number, since it is larger than the sum of its proper divisors (1).

3655772775563 is an equidigital number, since it uses as much as digits as its factorization.

3655772775563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972405000, while the sum is 68.

The spelling of 3655772775563 in words is "three trillion, six hundred fifty-five billion, seven hundred seventy-two million, seven hundred seventy-five thousand, five hundred sixty-three".