208935958141 has 4 divisors (see below), whose sum is σ = 208963167484. Its totient is φ = 208908748800.

The previous prime is 208935958097. The next prime is 208935958157. The reversal of 208935958141 is 141859539802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 184409266041 + 24526692100 = 429429^2 + 156610^2 .

It is a cyclic number.

It is not a de Polignac number, because 208935958141 - 2¹¹ = 208935956093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208935958171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13593150 + ... + 13608511.

It is an arithmetic number, because the mean of its divisors is an integer number (52240791871).

Almost surely, 2^208935958141 is an apocalyptic number.

It is an amenable number.

208935958141 is a deficient number, since it is larger than the sum of its proper divisors (27209343).

208935958141 is an equidigital number, since it uses as much as digits as its factorization.

208935958141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27209342.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 208935958141 in words is "two hundred eight billion, nine hundred thirty-five million, nine hundred fifty-eight thousand, one hundred forty-one".