47867917289 has 2 divisors, whose sum is σ = 47867917290. Its totient is φ = 47867917288.

The previous prime is 47867917277. The next prime is 47867917313. The reversal of 47867917289 is 98271976874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47738754064 + 129163225 = 218492^2 + 11365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47867917289 is a prime.

It is not a weakly prime, because it can be changed into another prime (47867917249) 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, 23933958644 + 23933958645.

It is an arithmetic number, because the mean of its divisors is an integer number (23933958645).

Almost surely, 2^47867917289 is an apocalyptic number.

It is an amenable number.

47867917289 is a deficient number, since it is larger than the sum of its proper divisors (1).

47867917289 is an equidigital number, since it uses as much as digits as its factorization.

47867917289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85349376, while the sum is 68.

The spelling of 47867917289 in words is "forty-seven billion, eight hundred sixty-seven million, nine hundred seventeen thousand, two hundred eighty-nine".