43550412445457 has 2 divisors, whose sum is σ = 43550412445458. Its totient is φ = 43550412445456.

The previous prime is 43550412445429. The next prime is 43550412445493. The reversal of 43550412445457 is 75454421405534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43287767470336 + 262644975121 = 6579344^2 + 512489^2 .

It is a cyclic number.

It is not a de Polignac number, because 43550412445457 - 2¹⁰ = 43550412444433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43550412445399 and 43550412445408.

It is not a weakly prime, because it can be changed into another prime (43550412442457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21775206222728 + 21775206222729.

It is an arithmetic number, because the mean of its divisors is an integer number (21775206222729).

Almost surely, 2^{43550412445457} is an apocalyptic number.

It is an amenable number.

43550412445457 is a deficient number, since it is larger than the sum of its proper divisors (1).

43550412445457 is an equidigital number, since it uses as much as digits as its factorization.

43550412445457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880000, while the sum is 53.

The spelling of 43550412445457 in words is "forty-three trillion, five hundred fifty billion, four hundred twelve million, four hundred forty-five thousand, four hundred fifty-seven".