194967994052836 has 27 divisors (see below), whose sum is σ = 353366467738921. Its totient is φ = 94122088920944.

The previous prime is 194967994052833. The next prime is 194967994052873. The reversal of 194967994052836 is 638250499769491.

The square root of 194967994052836 is 13963094.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 102236486774436 + 92731507278400 = 10111206^2 + 9629720^2 .

It is a super-3 number, since 3×194967994052836³ (a number of 44 digits) contains 333 as substring.

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 194967994052836.

It is not an unprimeable number, because it can be changed into a prime (194967994052833) 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 8 ways as a sum of consecutive naturals, for example, 809739081 + ... + 809979823.

It is a 1-persistent number, because it is pandigital, but 2⋅194967994052836 = 389935988105672 is not.

Almost surely, 2^{194967994052836} is an apocalyptic number.

194967994052836 is the 13963094-th square number.

It is an amenable number.

194967994052836 is a deficient number, since it is larger than the sum of its proper divisors (158398473686085).

194967994052836 is an frugal number, since it uses more digits than its factorization.

194967994052836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481548 (or 240774 counting only the distinct ones).

The product of its (nonzero) digits is 6348948480, while the sum is 82.

The spelling of 194967994052836 in words is "one hundred ninety-four trillion, nine hundred sixty-seven billion, nine hundred ninety-four million, fifty-two thousand, eight hundred thirty-six".