50471715289 has 2 divisors, whose sum is σ = 50471715290. Its totient is φ = 50471715288.

The previous prime is 50471715251. The next prime is 50471715313. The reversal of 50471715289 is 98251717405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45486225625 + 4985489664 = 213275^2 + 70608^2 .

It is a cyclic number.

It is not a de Polignac number, because 50471715289 - 2¹⁷ = 50471584217 is a prime.

It is not a weakly prime, because it can be changed into another prime (50471715589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25235857644 + 25235857645.

It is an arithmetic number, because the mean of its divisors is an integer number (25235857645).

Almost surely, 2^50471715289 is an apocalyptic number.

It is an amenable number.

50471715289 is a deficient number, since it is larger than the sum of its proper divisors (1).

50471715289 is an equidigital number, since it uses as much as digits as its factorization.

50471715289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 50471715289 in words is "fifty billion, four hundred seventy-one million, seven hundred fifteen thousand, two hundred eighty-nine".