2173834718479 has 2 divisors, whose sum is σ = 2173834718480. Its totient is φ = 2173834718478.

The previous prime is 2173834718437. The next prime is 2173834718501. The reversal of 2173834718479 is 9748174383712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2173834718479 - 2³³ = 2165244783887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2173834718479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2173834712479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086917359239 + 1086917359240.

It is an arithmetic number, because the mean of its divisors is an integer number (1086917359240).

Almost surely, 2^{2173834718479} is an apocalyptic number.

2173834718479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173834718479 is an equidigital number, since it uses as much as digits as its factorization.

2173834718479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56899584, while the sum is 64.

The spelling of 2173834718479 in words is "two trillion, one hundred seventy-three billion, eight hundred thirty-four million, seven hundred eighteen thousand, four hundred seventy-nine".