194308318461 has 8 divisors (see below), whose sum is σ = 259118283424. Its totient is φ = 129518616240.

The previous prime is 194308318459. The next prime is 194308318481. The reversal of 194308318461 is 164813803491.

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

It is not a de Polignac number, because 194308318461 - 2¹ = 194308318459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194308318461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194308318481) 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, 5043295 + ... + 5081676.

It is an arithmetic number, because the mean of its divisors is an integer number (32389785428).

Almost surely, 2^194308318461 is an apocalyptic number.

It is an amenable number.

194308318461 is a deficient number, since it is larger than the sum of its proper divisors (64809964963).

194308318461 is a wasteful number, since it uses less digits than its factorization.

194308318461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131371.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 194308318461 in words is "one hundred ninety-four billion, three hundred eight million, three hundred eighteen thousand, four hundred sixty-one".