194994989602 has 32 divisors (see below), whose sum is σ = 361471154688. Its totient is φ = 76979959296.

The previous prime is 194994989521. The next prime is 194994989603. The reversal of 194994989602 is 206989499491.

194994989602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (194994989603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8704843 + ... + 8727214.

It is an arithmetic number, because the mean of its divisors is an integer number (11295973584).

Almost surely, 2^194994989602 is an apocalyptic number.

194994989602 is a deficient number, since it is larger than the sum of its proper divisors (166476165086).

194994989602 is a wasteful number, since it uses less digits than its factorization.

194994989602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17432130.

The product of its (nonzero) digits is 90699264, while the sum is 70.

The spelling of 194994989602 in words is "one hundred ninety-four billion, nine hundred ninety-four million, nine hundred eighty-nine thousand, six hundred two".