7913191103963 has 2 divisors, whose sum is σ = 7913191103964. Its totient is φ = 7913191103962.

The previous prime is 7913191103957. The next prime is 7913191103989. The reversal of 7913191103963 is 3693011913197.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7913191103963 - 2¹² = 7913191099867 is a prime.

It is not a weakly prime, because it can be changed into another prime (7913121103963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3956595551981 + 3956595551982.

It is an arithmetic number, because the mean of its divisors is an integer number (3956595551982).

Almost surely, 2^{7913191103963} is an apocalyptic number.

7913191103963 is a deficient number, since it is larger than the sum of its proper divisors (1).

7913191103963 is an equidigital number, since it uses as much as digits as its factorization.

7913191103963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 826686, while the sum is 53.

The spelling of 7913191103963 in words is "seven trillion, nine hundred thirteen billion, one hundred ninety-one million, one hundred three thousand, nine hundred sixty-three".