840119178413 has 2 divisors, whose sum is σ = 840119178414. Its totient is φ = 840119178412.

The previous prime is 840119178391. The next prime is 840119178427. The reversal of 840119178413 is 314871911048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839682660964 + 436517449 = 916342^2 + 20893^2 .

It is a cyclic number.

It is not a de Polignac number, because 840119178413 - 2²⁴ = 840102401197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (840119178113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420059589206 + 420059589207.

It is an arithmetic number, because the mean of its divisors is an integer number (420059589207).

Almost surely, 2^840119178413 is an apocalyptic number.

It is an amenable number.

840119178413 is a deficient number, since it is larger than the sum of its proper divisors (1).

840119178413 is an equidigital number, since it uses as much as digits as its factorization.

840119178413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 47.

The spelling of 840119178413 in words is "eight hundred forty billion, one hundred nineteen million, one hundred seventy-eight thousand, four hundred thirteen".