341142781657 has 2 divisors, whose sum is σ = 341142781658. Its totient is φ = 341142781656.

The previous prime is 341142781607. The next prime is 341142781687. The reversal of 341142781657 is 756187241143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264685554576 + 76457227081 = 514476^2 + 276509^2 .

It is an emirp because it is prime and its reverse (756187241143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 341142781657 - 2¹⁵ = 341142748889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 341142781657.

It is not a weakly prime, because it can be changed into another prime (341142781607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170571390828 + 170571390829.

It is an arithmetic number, because the mean of its divisors is an integer number (170571390829).

Almost surely, 2^341142781657 is an apocalyptic number.

It is an amenable number.

341142781657 is a deficient number, since it is larger than the sum of its proper divisors (1).

341142781657 is an equidigital number, since it uses as much as digits as its factorization.

341142781657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 49.

The spelling of 341142781657 in words is "three hundred forty-one billion, one hundred forty-two million, seven hundred eighty-one thousand, six hundred fifty-seven".