8142208155379 has 2 divisors, whose sum is σ = 8142208155380. Its totient is φ = 8142208155378.

The previous prime is 8142208155223. The next prime is 8142208155413. The reversal of 8142208155379 is 9735518022418.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8142208155379 is a prime.

It is not a weakly prime, because it can be changed into another prime (8142208125379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4071104077689 + 4071104077690.

It is an arithmetic number, because the mean of its divisors is an integer number (4071104077690).

Almost surely, 2^{8142208155379} is an apocalyptic number.

8142208155379 is a deficient number, since it is larger than the sum of its proper divisors (1).

8142208155379 is an equidigital number, since it uses as much as digits as its factorization.

8142208155379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 8142208155379 in words is "eight trillion, one hundred forty-two billion, two hundred eight million, one hundred fifty-five thousand, three hundred seventy-nine".