71057047753 has 2 divisors, whose sum is σ = 71057047754. Its totient is φ = 71057047752.

The previous prime is 71057047727. The next prime is 71057047781. The reversal of 71057047753 is 35774075017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66412897849 + 4644149904 = 257707^2 + 68148^2 .

It is a cyclic number.

It is not a de Polignac number, because 71057047753 - 2¹⁷ = 71056916681 is a prime.

It is not a weakly prime, because it can be changed into another prime (71057047793) 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, 35528523876 + 35528523877.

It is an arithmetic number, because the mean of its divisors is an integer number (35528523877).

Almost surely, 2^71057047753 is an apocalyptic number.

It is an amenable number.

71057047753 is a deficient number, since it is larger than the sum of its proper divisors (1).

71057047753 is an equidigital number, since it uses as much as digits as its factorization.

71057047753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720300, while the sum is 46.

The spelling of 71057047753 in words is "seventy-one billion, fifty-seven million, forty-seven thousand, seven hundred fifty-three".