341781273857 has 2 divisors, whose sum is σ = 341781273858. Its totient is φ = 341781273856.

The previous prime is 341781273829. The next prime is 341781273863. The reversal of 341781273857 is 758372187143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303335476081 + 38445797776 = 550759^2 + 196076^2 .

It is a cyclic number.

It is not a de Polignac number, because 341781273857 - 2⁸ = 341781273601 is a prime.

It is not a weakly prime, because it can be changed into another prime (341781273817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170890636928 + 170890636929.

It is an arithmetic number, because the mean of its divisors is an integer number (170890636929).

Almost surely, 2^341781273857 is an apocalyptic number.

It is an amenable number.

341781273857 is a deficient number, since it is larger than the sum of its proper divisors (1).

341781273857 is an equidigital number, since it uses as much as digits as its factorization.

341781273857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7902720, while the sum is 56.

The spelling of 341781273857 in words is "three hundred forty-one billion, seven hundred eighty-one million, two hundred seventy-three thousand, eight hundred fifty-seven".