47507768716489 has 2 divisors, whose sum is σ = 47507768716490. Its totient is φ = 47507768716488.

The previous prime is 47507768716433. The next prime is 47507768716607. The reversal of 47507768716489 is 98461786770574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41783554560400 + 5724214156089 = 6464020^2 + 2392533^2 .

It is a cyclic number.

It is not a de Polignac number, because 47507768716489 - 2²¹ = 47507766619337 is a prime.

It is not a weakly prime, because it can be changed into another prime (47507768711489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23753884358244 + 23753884358245.

It is an arithmetic number, because the mean of its divisors is an integer number (23753884358245).

Almost surely, 2^{47507768716489} is an apocalyptic number.

It is an amenable number.

47507768716489 is a deficient number, since it is larger than the sum of its proper divisors (1).

47507768716489 is an equidigital number, since it uses as much as digits as its factorization.

47507768716489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3982970880, while the sum is 79.

The spelling of 47507768716489 in words is "forty-seven trillion, five hundred seven billion, seven hundred sixty-eight million, seven hundred sixteen thousand, four hundred eighty-nine".