870668726441219 has 2 divisors, whose sum is σ = 870668726441220. Its totient is φ = 870668726441218.

The previous prime is 870668726441153. The next prime is 870668726441231. The reversal of 870668726441219 is 912144627866078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 870668726441219 - 2²⁰ = 870668725392643 is a prime.

It is a super-2 number, since 2×870668726441219² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (870668726441249) 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, 435334363220609 + 435334363220610.

It is an arithmetic number, because the mean of its divisors is an integer number (435334363220610).

Almost surely, 2^{870668726441219} is an apocalyptic number.

870668726441219 is a deficient number, since it is larger than the sum of its proper divisors (1).

870668726441219 is an equidigital number, since it uses as much as digits as its factorization.

870668726441219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 390168576, while the sum is 71.

The spelling of 870668726441219 in words is "eight hundred seventy trillion, six hundred sixty-eight billion, seven hundred twenty-six million, four hundred forty-one thousand, two hundred nineteen".