47723603749 has 2 divisors, whose sum is σ = 47723603750. Its totient is φ = 47723603748.

The previous prime is 47723603687. The next prime is 47723603791. The reversal of 47723603749 is 94730632774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47706422724 + 17181025 = 218418^2 + 4145^2 .

It is a cyclic number.

It is not a de Polignac number, because 47723603749 - 2⁹ = 47723603237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47723603696 and 47723603705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47723603149) 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 as a sum of consecutive naturals, namely, 23861801874 + 23861801875.

It is an arithmetic number, because the mean of its divisors is an integer number (23861801875).

Almost surely, 2^47723603749 is an apocalyptic number.

It is an amenable number.

47723603749 is a deficient number, since it is larger than the sum of its proper divisors (1).

47723603749 is an equidigital number, since it uses as much as digits as its factorization.

47723603749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5334336, while the sum is 52.

The spelling of 47723603749 in words is "forty-seven billion, seven hundred twenty-three million, six hundred three thousand, seven hundred forty-nine".