194399470153 has 16 divisors (see below), whose sum is σ = 227165662080. Its totient is φ = 162923383296.

The previous prime is 194399470123. The next prime is 194399470157. The reversal of 194399470153 is 351074993491.

It is a cyclic number.

It is not a de Polignac number, because 194399470153 - 2¹⁷ = 194399339081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194399470094 and 194399470103.

It is not an unprimeable number, because it can be changed into a prime (194399470157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1668358 + ... + 1781071.

It is an arithmetic number, because the mean of its divisors is an integer number (14197853880).

Almost surely, 2^194399470153 is an apocalyptic number.

It is an amenable number.

194399470153 is a deficient number, since it is larger than the sum of its proper divisors (32766191927).

194399470153 is an equidigital number, since it uses as much as digits as its factorization.

194399470153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449616.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 194399470153 in words is "one hundred ninety-four billion, three hundred ninety-nine million, four hundred seventy thousand, one hundred fifty-three".