3561136360643 has 2 divisors, whose sum is σ = 3561136360644. Its totient is φ = 3561136360642.

The previous prime is 3561136360597. The next prime is 3561136360651. The reversal of 3561136360643 is 3460636311653.

It is a strong prime.

It is an emirp because it is prime and its reverse (3460636311653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3561136360643 - 2²⁸ = 3560867925187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3561136360673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780568180321 + 1780568180322.

It is an arithmetic number, because the mean of its divisors is an integer number (1780568180322).

Almost surely, 2^{3561136360643} is an apocalyptic number.

3561136360643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561136360643 is an equidigital number, since it uses as much as digits as its factorization.

3561136360643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 47.

The spelling of 3561136360643 in words is "three trillion, five hundred sixty-one billion, one hundred thirty-six million, three hundred sixty thousand, six hundred forty-three".