47363923645 has 4 divisors (see below), whose sum is σ = 56836708380. Its totient is φ = 37891138912.

The previous prime is 47363923637. The next prime is 47363923693. The reversal of 47363923645 is 54632936374.

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 23117073849 + 24246849796 = 152043^2 + 155714^2 .

It is a cyclic number.

It is not a de Polignac number, because 47363923645 - 2³ = 47363923637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47363923592 and 47363923601.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4736392360 + ... + 4736392369.

It is an arithmetic number, because the mean of its divisors is an integer number (14209177095).

Almost surely, 2^47363923645 is an apocalyptic number.

It is an amenable number.

47363923645 is a deficient number, since it is larger than the sum of its proper divisors (9472784735).

47363923645 is an equidigital number, since it uses as much as digits as its factorization.

47363923645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472784734.

The product of its digits is 9797760, while the sum is 52.

The spelling of 47363923645 in words is "forty-seven billion, three hundred sixty-three million, nine hundred twenty-three thousand, six hundred forty-five".