47982431729 has 2 divisors, whose sum is σ = 47982431730. Its totient is φ = 47982431728.

The previous prime is 47982431689. The next prime is 47982431747. The reversal of 47982431729 is 92713428974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38268358129 + 9714073600 = 195623^2 + 98560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47982431729 is a prime.

It is not a weakly prime, because it can be changed into another prime (47982431759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23991215864 + 23991215865.

It is an arithmetic number, because the mean of its divisors is an integer number (23991215865).

Almost surely, 2^47982431729 is an apocalyptic number.

It is an amenable number.

47982431729 is a deficient number, since it is larger than the sum of its proper divisors (1).

47982431729 is an equidigital number, since it uses as much as digits as its factorization.

47982431729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 56.

The spelling of 47982431729 in words is "forty-seven billion, nine hundred eighty-two million, four hundred thirty-one thousand, seven hundred twenty-nine".