47432272045 has 4 divisors (see below), whose sum is σ = 56918726460. Its totient is φ = 37945817632.

The previous prime is 47432271979. The next prime is 47432272051. The reversal of 47432272045 is 54027223474.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24635499849 + 22796772196 = 156957^2 + 150986^2 .

It is a cyclic number.

It is not a de Polignac number, because 47432272045 - 2³¹ = 45284788397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47432271989 and 47432272007.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4743227200 + ... + 4743227209.

It is an arithmetic number, because the mean of its divisors is an integer number (14229681615).

Almost surely, 2^47432272045 is an apocalyptic number.

It is an amenable number.

47432272045 is a deficient number, since it is larger than the sum of its proper divisors (9486454415).

47432272045 is an equidigital number, since it uses as much as digits as its factorization.

47432272045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486454414.

The product of its (nonzero) digits is 376320, while the sum is 40.

The spelling of 47432272045 in words is "forty-seven billion, four hundred thirty-two million, two hundred seventy-two thousand, forty-five".