47329333781 has 2 divisors, whose sum is σ = 47329333782. Its totient is φ = 47329333780.

The previous prime is 47329333717. The next prime is 47329333801. The reversal of 47329333781 is 18733392374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42201484900 + 5127848881 = 205430^2 + 71609^2 .

It is a cyclic number.

It is not a de Polignac number, because 47329333781 - 2⁶ = 47329333717 is a prime.

It is a super-2 number, since 2×47329333781² (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 (47329333081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23664666890 + 23664666891.

It is an arithmetic number, because the mean of its divisors is an integer number (23664666891).

Almost surely, 2^47329333781 is an apocalyptic number.

It is an amenable number.

47329333781 is a deficient number, since it is larger than the sum of its proper divisors (1).

47329333781 is an equidigital number, since it uses as much as digits as its factorization.

47329333781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 50.

The spelling of 47329333781 in words is "forty-seven billion, three hundred twenty-nine million, three hundred thirty-three thousand, seven hundred eighty-one".