7862243955641 has 2 divisors, whose sum is σ = 7862243955642. Its totient is φ = 7862243955640.

The previous prime is 7862243955497. The next prime is 7862243955649. The reversal of 7862243955641 is 1465593422687.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5751555097600 + 2110688858041 = 2398240^2 + 1452821^2 .

It is an emirp because it is prime and its reverse (1465593422687) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7862243955641 - 2³⁸ = 7587366048697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7862243955649) 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, 3931121977820 + 3931121977821.

It is an arithmetic number, because the mean of its divisors is an integer number (3931121977821).

Almost surely, 2^{7862243955641} is an apocalyptic number.

It is an amenable number.

7862243955641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7862243955641 is an equidigital number, since it uses as much as digits as its factorization.

7862243955641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87091200, while the sum is 62.

The spelling of 7862243955641 in words is "seven trillion, eight hundred sixty-two billion, two hundred forty-three million, nine hundred fifty-five thousand, six hundred forty-one".