194999998453207 has 8 divisors (see below), whose sum is σ = 195016886657600. Its totient is φ = 194983111026144.

The previous prime is 194999998453133. The next prime is 194999998453223. The reversal of 194999998453207 is 702354899999491.

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

It is a cyclic number.

It is not a de Polignac number, because 194999998453207 - 2¹⁵ = 194999998420439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194999998453277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572031169 + ... + 572371957.

It is an arithmetic number, because the mean of its divisors is an integer number (24377110832200).

Almost surely, 2^{194999998453207} is an apocalyptic number.

194999998453207 is a deficient number, since it is larger than the sum of its proper divisors (16888204393).

194999998453207 is a wasteful number, since it uses less digits than its factorization.

194999998453207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388665.

The product of its (nonzero) digits is 14285134080, while the sum is 88.

The spelling of 194999998453207 in words is "one hundred ninety-four trillion, nine hundred ninety-nine billion, nine hundred ninety-eight million, four hundred fifty-three thousand, two hundred seven".