209047541341 has 2 divisors, whose sum is σ = 209047541342. Its totient is φ = 209047541340.

The previous prime is 209047541267. The next prime is 209047541389. The reversal of 209047541341 is 143145740902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156700389316 + 52347152025 = 395854^2 + 228795^2 .

It is a cyclic number.

It is not a de Polignac number, because 209047541341 - 2²¹ = 209045444189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 209047541294 and 209047541303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (209047541141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104523770670 + 104523770671.

It is an arithmetic number, because the mean of its divisors is an integer number (104523770671).

Almost surely, 2^209047541341 is an apocalyptic number.

It is an amenable number.

209047541341 is a deficient number, since it is larger than the sum of its proper divisors (1).

209047541341 is an equidigital number, since it uses as much as digits as its factorization.

209047541341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 209047541341 in words is "two hundred nine billion, forty-seven million, five hundred forty-one thousand, three hundred forty-one".