208656545147 has 2 divisors, whose sum is σ = 208656545148. Its totient is φ = 208656545146.

The previous prime is 208656545129. The next prime is 208656545159. The reversal of 208656545147 is 741545656802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208656545147 - 2⁸ = 208656544891 is a prime.

It is not a weakly prime, because it can be changed into another prime (208656545197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104328272573 + 104328272574.

It is an arithmetic number, because the mean of its divisors is an integer number (104328272574).

Almost surely, 2^208656545147 is an apocalyptic number.

208656545147 is a deficient number, since it is larger than the sum of its proper divisors (1).

208656545147 is an equidigital number, since it uses as much as digits as its factorization.

208656545147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 208656545147 in words is "two hundred eight billion, six hundred fifty-six million, five hundred forty-five thousand, one hundred forty-seven".