43194472601 has 20 divisors (see below), whose sum is σ = 50440688100. Its totient is φ = 36987001632.

The previous prime is 43194472571. The next prime is 43194472603. The reversal of 43194472601 is 10627449134.

It can be written as a sum of positive squares in 2 ways, for example, as 8084707225 + 35109765376 = 89915^2 + 187376^2 .

It is not a de Polignac number, because 43194472601 - 2²⁶ = 43127363737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43194472603) 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 19 ways as a sum of consecutive naturals, for example, 2558255 + ... + 2575083.

It is an arithmetic number, because the mean of its divisors is an integer number (2522034405).

Almost surely, 2^43194472601 is an apocalyptic number.

It is an amenable number.

43194472601 is a deficient number, since it is larger than the sum of its proper divisors (7246215499).

43194472601 is an equidigital number, since it uses as much as digits as its factorization.

43194472601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17926 (or 17905 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 43194472601 in words is "forty-three billion, one hundred ninety-four million, four hundred seventy-two thousand, six hundred one".