47504046913 has 2 divisors, whose sum is σ = 47504046914. Its totient is φ = 47504046912.

The previous prime is 47504046859. The next prime is 47504046949. The reversal of 47504046913 is 31964040574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44591501889 + 2912545024 = 211167^2 + 53968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47504046913 is a prime.

It is a super-2 number, since 2×47504046913² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47504046913.

It is not a weakly prime, because it can be changed into another prime (47504046983) by changing a digit.

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 as a sum of consecutive naturals, namely, 23752023456 + 23752023457.

It is an arithmetic number, because the mean of its divisors is an integer number (23752023457).

Almost surely, 2^47504046913 is an apocalyptic number.

It is an amenable number.

47504046913 is a deficient number, since it is larger than the sum of its proper divisors (1).

47504046913 is an equidigital number, since it uses as much as digits as its factorization.

47504046913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 47504046913 in words is "forty-seven billion, five hundred four million, forty-six thousand, nine hundred thirteen".