47811773239 has 2 divisors, whose sum is σ = 47811773240. Its totient is φ = 47811773238.

The previous prime is 47811773203. The next prime is 47811773297. The reversal of 47811773239 is 93237711874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47811773239 - 2⁷ = 47811773111 is a prime.

It is a super-2 number, since 2×47811773239² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47811773039) 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, 23905886619 + 23905886620.

It is an arithmetic number, because the mean of its divisors is an integer number (23905886620).

Almost surely, 2^47811773239 is an apocalyptic number.

47811773239 is a deficient number, since it is larger than the sum of its proper divisors (1).

47811773239 is an equidigital number, since it uses as much as digits as its factorization.

47811773239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1778112, while the sum is 52.

The spelling of 47811773239 in words is "forty-seven billion, eight hundred eleven million, seven hundred seventy-three thousand, two hundred thirty-nine".