194499153427 has 8 divisors (see below), whose sum is σ = 197533780400. Its totient is φ = 191487258144.

The previous prime is 194499153421. The next prime is 194499153451. The reversal of 194499153427 is 724351994491.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194499153427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194499153421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5665677 + ... + 5699902.

It is an arithmetic number, because the mean of its divisors is an integer number (24691722550).

Almost surely, 2^194499153427 is an apocalyptic number.

194499153427 is a deficient number, since it is larger than the sum of its proper divisors (3034626973).

194499153427 is a wasteful number, since it uses less digits than its factorization.

194499153427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11365845.

The product of its digits is 9797760, while the sum is 58.

The spelling of 194499153427 in words is "one hundred ninety-four billion, four hundred ninety-nine million, one hundred fifty-three thousand, four hundred twenty-seven".