47507768715461 has 2 divisors, whose sum is σ = 47507768715462. Its totient is φ = 47507768715460.

The previous prime is 47507768715439. The next prime is 47507768715487. The reversal of 47507768715461 is 16451786770574.

47507768715461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45422127284836 + 2085641430625 = 6739594^2 + 1444175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47507768715461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47507768715391 and 47507768715400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47507768715361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23753884357730 + 23753884357731.

It is an arithmetic number, because the mean of its divisors is an integer number (23753884357731).

Almost surely, 2^{47507768715461} is an apocalyptic number.

It is an amenable number.

47507768715461 is a deficient number, since it is larger than the sum of its proper divisors (1).

47507768715461 is an equidigital number, since it uses as much as digits as its factorization.

47507768715461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276595200, while the sum is 68.

The spelling of 47507768715461 in words is "forty-seven trillion, five hundred seven billion, seven hundred sixty-eight million, seven hundred fifteen thousand, four hundred sixty-one".