47338940908771 has 2 divisors, whose sum is σ = 47338940908772. Its totient is φ = 47338940908770.

The previous prime is 47338940908723. The next prime is 47338940908837. The reversal of 47338940908771 is 17780904983374.

47338940908771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47338940908771 - 2¹⁷ = 47338940777699 is a prime.

It is a super-2 number, since 2×47338940908771² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47338940908771.

It is not a weakly prime, because it can be changed into another prime (47338940908871) 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, 23669470454385 + 23669470454386.

It is an arithmetic number, because the mean of its divisors is an integer number (23669470454386).

Almost surely, 2^{47338940908771} is an apocalyptic number.

47338940908771 is a deficient number, since it is larger than the sum of its proper divisors (1).

47338940908771 is an equidigital number, since it uses as much as digits as its factorization.

47338940908771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256048128, while the sum is 70.

The spelling of 47338940908771 in words is "forty-seven trillion, three hundred thirty-eight billion, nine hundred forty million, nine hundred eight thousand, seven hundred seventy-one".