43334472572257 has 2 divisors, whose sum is σ = 43334472572258. Its totient is φ = 43334472572256.

The previous prime is 43334472572239. The next prime is 43334472572267. The reversal of 43334472572257 is 75227527443334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35040527606016 + 8293944966241 = 5919504^2 + 2879921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43334472572257 is a prime.

It is not a weakly prime, because it can be changed into another prime (43334472572267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21667236286128 + 21667236286129.

It is an arithmetic number, because the mean of its divisors is an integer number (21667236286129).

Almost surely, 2^{43334472572257} is an apocalyptic number.

It is an amenable number.

43334472572257 is a deficient number, since it is larger than the sum of its proper divisors (1).

43334472572257 is an equidigital number, since it uses as much as digits as its factorization.

43334472572257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 118540800, while the sum is 58.

The spelling of 43334472572257 in words is "forty-three trillion, three hundred thirty-four billion, four hundred seventy-two million, five hundred seventy-two thousand, two hundred fifty-seven".