208944143101 has 2 divisors, whose sum is σ = 208944143102. Its totient is φ = 208944143100.

The previous prime is 208944143087. The next prime is 208944143189. The reversal of 208944143101 is 101341449802.

208944143101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204597905625 + 4346237476 = 452325^2 + 65926^2 .

It is a cyclic number.

It is not a de Polignac number, because 208944143101 - 2²³ = 208935754493 is a prime.

It is a super-2 number, since 2×208944143101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208944143501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104472071550 + 104472071551.

It is an arithmetic number, because the mean of its divisors is an integer number (104472071551).

Almost surely, 2^208944143101 is an apocalyptic number.

It is an amenable number.

208944143101 is a deficient number, since it is larger than the sum of its proper divisors (1).

208944143101 is an equidigital number, since it uses as much as digits as its factorization.

208944143101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 208944143101 in words is "two hundred eight billion, nine hundred forty-four million, one hundred forty-three thousand, one hundred one".