7951241905679 has 2 divisors, whose sum is σ = 7951241905680. Its totient is φ = 7951241905678.

The previous prime is 7951241905669. The next prime is 7951241905681. The reversal of 7951241905679 is 9765091421597.

It is a strong prime.

It is an emirp because it is prime and its reverse (9765091421597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7951241905679 - 2²⁰ = 7951240857103 is a prime.

Together with 7951241905681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7951241905619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3975620952839 + 3975620952840.

It is an arithmetic number, because the mean of its divisors is an integer number (3975620952840).

Almost surely, 2^{7951241905679} is an apocalyptic number.

7951241905679 is a deficient number, since it is larger than the sum of its proper divisors (1).

7951241905679 is an equidigital number, since it uses as much as digits as its factorization.

7951241905679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42865200, while the sum is 65.

The spelling of 7951241905679 in words is "seven trillion, nine hundred fifty-one billion, two hundred forty-one million, nine hundred five thousand, six hundred seventy-nine".