2942719857667 has 2 divisors, whose sum is σ = 2942719857668. Its totient is φ = 2942719857666.

The previous prime is 2942719857659. The next prime is 2942719857761. The reversal of 2942719857667 is 7667589172492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2942719857667 - 2³ = 2942719857659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2942719857667.

It is not a weakly prime, because it can be changed into another prime (2942719854667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471359928833 + 1471359928834.

It is an arithmetic number, because the mean of its divisors is an integer number (1471359928834).

Almost surely, 2^{2942719857667} is an apocalyptic number.

2942719857667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2942719857667 is an equidigital number, since it uses as much as digits as its factorization.

2942719857667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640120320, while the sum is 73.

The spelling of 2942719857667 in words is "two trillion, nine hundred forty-two billion, seven hundred nineteen million, eight hundred fifty-seven thousand, six hundred sixty-seven".