3564261641 has 2 divisors, whose sum is σ = 3564261642. Its totient is φ = 3564261640.

The previous prime is 3564261637. The next prime is 3564261643. The reversal of 3564261641 is 1461624653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2634255625 + 930006016 = 51325^2 + 30496^2 .

It is a cyclic number.

It is not a de Polignac number, because 3564261641 - 2² = 3564261637 is a prime.

It is a super-2 number, since 2×3564261641² = 25407922091008025762, which contains 22 as substring.

Together with 3564261643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3564261595 and 3564261604.

It is not a weakly prime, because it can be changed into another prime (3564261643) 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 as a sum of consecutive naturals, namely, 1782130820 + 1782130821.

It is an arithmetic number, because the mean of its divisors is an integer number (1782130821).

Almost surely, 2^3564261641 is an apocalyptic number.

It is an amenable number.

3564261641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3564261641 is an equidigital number, since it uses as much as digits as its factorization.

3564261641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 3564261641 is about 59701.4375120064. The cubic root of 3564261641 is about 1527.5303888458.

The spelling of 3564261641 in words is "three billion, five hundred sixty-four million, two hundred sixty-one thousand, six hundred forty-one".