7941493657879 has 2 divisors, whose sum is σ = 7941493657880. Its totient is φ = 7941493657878.

The previous prime is 7941493657871. The next prime is 7941493657907. The reversal of 7941493657879 is 9787563941497.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7941493657879 - 2³ = 7941493657871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7941493657799 and 7941493657808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7941493657871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3970746828939 + 3970746828940.

It is an arithmetic number, because the mean of its divisors is an integer number (3970746828940).

Almost surely, 2^{7941493657879} is an apocalyptic number.

7941493657879 is a deficient number, since it is larger than the sum of its proper divisors (1).

7941493657879 is an equidigital number, since it uses as much as digits as its factorization.

7941493657879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880541440, while the sum is 79.

The spelling of 7941493657879 in words is "seven trillion, nine hundred forty-one billion, four hundred ninety-three million, six hundred fifty-seven thousand, eight hundred seventy-nine".