7948114504591 has 2 divisors, whose sum is σ = 7948114504592. Its totient is φ = 7948114504590.

The previous prime is 7948114504543. The next prime is 7948114504633. The reversal of 7948114504591 is 1954054118497.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7948114504591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7948114504501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3974057252295 + 3974057252296.

It is an arithmetic number, because the mean of its divisors is an integer number (3974057252296).

Almost surely, 2^{7948114504591} is an apocalyptic number.

7948114504591 is a deficient number, since it is larger than the sum of its proper divisors (1).

7948114504591 is an equidigital number, since it uses as much as digits as its factorization.

7948114504591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 7948114504591 in words is "seven trillion, nine hundred forty-eight billion, one hundred fourteen million, five hundred four thousand, five hundred ninety-one".