208093099605 has 32 divisors (see below), whose sum is σ = 352685923200. Its totient is φ = 104409618432.

The previous prime is 208093099597. The next prime is 208093099609. The reversal of 208093099605 is 506990390802.

It is not a de Polignac number, because 208093099605 - 2³ = 208093099597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208093099609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422001 + ... + 770889.

It is an arithmetic number, because the mean of its divisors is an integer number (11021435100).

Almost surely, 2^208093099605 is an apocalyptic number.

It is an amenable number.

208093099605 is a deficient number, since it is larger than the sum of its proper divisors (144592823595).

208093099605 is a wasteful number, since it uses less digits than its factorization.

208093099605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351253.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 208093099605 in words is "two hundred eight billion, ninety-three million, ninety-nine thousand, six hundred five".