208473414971799 has 16 divisors (see below), whose sum is σ = 290710674777600. Its totient is φ = 132636745328736.

The previous prime is 208473414971791. The next prime is 208473414971879. The reversal of 208473414971799 is 997179414374802.

It is not a de Polignac number, because 208473414971799 - 2³ = 208473414971791 is a prime.

It is a super-2 number, since 2×208473414971799² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 208473414971799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208473414971791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3441147204 + ... + 3441207785.

It is an arithmetic number, because the mean of its divisors is an integer number (18169417173600).

Almost surely, 2^{208473414971799} is an apocalyptic number.

208473414971799 is a deficient number, since it is larger than the sum of its proper divisors (82237259805801).

208473414971799 is a wasteful number, since it uses less digits than its factorization.

208473414971799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882355454.

The product of its (nonzero) digits is 768144384, while the sum is 75.

The spelling of 208473414971799 in words is "two hundred eight trillion, four hundred seventy-three billion, four hundred fourteen million, nine hundred seventy-one thousand, seven hundred ninety-nine".