47824861613 has 2 divisors, whose sum is σ = 47824861614. Its totient is φ = 47824861612.

The previous prime is 47824861573. The next prime is 47824861631. The reversal of 47824861613 is 31616842874.

Together with next prime (47824861631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33739444489 + 14085417124 = 183683^2 + 118682^2 .

It is a cyclic number.

It is not a de Polignac number, because 47824861613 - 2¹² = 47824857517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47824861213) 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, 23912430806 + 23912430807.

It is an arithmetic number, because the mean of its divisors is an integer number (23912430807).

Almost surely, 2^47824861613 is an apocalyptic number.

It is an amenable number.

47824861613 is a deficient number, since it is larger than the sum of its proper divisors (1).

47824861613 is an equidigital number, since it uses as much as digits as its factorization.

47824861613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 50.

The spelling of 47824861613 in words is "forty-seven billion, eight hundred twenty-four million, eight hundred sixty-one thousand, six hundred thirteen".