201794210845 has 8 divisors (see below), whose sum is σ = 242168940000. Its totient is φ = 161424777360.

The previous prime is 201794210707. The next prime is 201794210851. The reversal of 201794210845 is 548012497102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201794210845 - 2³³ = 193204276253 is a prime.

It is a super-2 number, since 2×201794210845² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239595 + ... + 1392904.

It is an arithmetic number, because the mean of its divisors is an integer number (30271117500).

Almost surely, 2^201794210845 is an apocalyptic number.

It is an amenable number.

201794210845 is a deficient number, since it is larger than the sum of its proper divisors (40374729155).

201794210845 is a wasteful number, since it uses less digits than its factorization.

201794210845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647835.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 201794210845 in words is "two hundred one billion, seven hundred ninety-four million, two hundred ten thousand, eight hundred forty-five".