47403745057 has 2 divisors, whose sum is σ = 47403745058. Its totient is φ = 47403745056.

The previous prime is 47403745049. The next prime is 47403745079. The reversal of 47403745057 is 75054730474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45712150416 + 1691594641 = 213804^2 + 41129^2 .

It is a cyclic number.

It is not a de Polignac number, because 47403745057 - 2³ = 47403745049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47403744998 and 47403745016.

It is not a weakly prime, because it can be changed into another prime (47403745007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23701872528 + 23701872529.

It is an arithmetic number, because the mean of its divisors is an integer number (23701872529).

Almost surely, 2^47403745057 is an apocalyptic number.

It is an amenable number.

47403745057 is a deficient number, since it is larger than the sum of its proper divisors (1).

47403745057 is an equidigital number, since it uses as much as digits as its factorization.

47403745057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1646400, while the sum is 46.

The spelling of 47403745057 in words is "forty-seven billion, four hundred three million, seven hundred forty-five thousand, fifty-seven".