208466850463 has 2 divisors, whose sum is σ = 208466850464. Its totient is φ = 208466850462.

The previous prime is 208466850439. The next prime is 208466850467. The reversal of 208466850463 is 364058664802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208466850463 - 2²⁵ = 208433296031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 208466850463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208466850467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104233425231 + 104233425232.

It is an arithmetic number, because the mean of its divisors is an integer number (104233425232).

Almost surely, 2^208466850463 is an apocalyptic number.

208466850463 is a deficient number, since it is larger than the sum of its proper divisors (1).

208466850463 is an equidigital number, since it uses as much as digits as its factorization.

208466850463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 208466850463 in words is "two hundred eight billion, four hundred sixty-six million, eight hundred fifty thousand, four hundred sixty-three".