341854585458109 has 2 divisors, whose sum is σ = 341854585458110. Its totient is φ = 341854585458108.

The previous prime is 341854585458073. The next prime is 341854585458143. The reversal of 341854585458109 is 901854585458143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258452887660900 + 83401697797209 = 16076470^2 + 9132453^2 .

It is a cyclic number.

It is not a de Polignac number, because 341854585458109 - 2¹¹ = 341854585456061 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341854585458179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170927292729054 + 170927292729055.

It is an arithmetic number, because the mean of its divisors is an integer number (170927292729055).

Almost surely, 2^{341854585458109} is an apocalyptic number.

It is an amenable number.

341854585458109 is a deficient number, since it is larger than the sum of its proper divisors (1).

341854585458109 is an equidigital number, since it uses as much as digits as its factorization.

341854585458109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960000, while the sum is 70.

The spelling of 341854585458109 in words is "three hundred forty-one trillion, eight hundred fifty-four billion, five hundred eighty-five million, four hundred fifty-eight thousand, one hundred nine".