209002103814 has 64 divisors (see below), whose sum is σ = 485485825536. Its totient is φ = 58748177664.

The previous prime is 209002103803. The next prime is 209002103837. The reversal of 209002103814 is 418301200902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1131349 + ... + 1303055.

It is an arithmetic number, because the mean of its divisors is an integer number (7585716024).

Almost surely, 2^209002103814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 209002103814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242742912768).

209002103814 is an abundant number, since it is smaller than the sum of its proper divisors (276483721722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209002103814 is a wasteful number, since it uses less digits than its factorization.

209002103814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172189.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 209002103814 in words is "two hundred nine billion, two million, one hundred three thousand, eight hundred fourteen".