43927250560549 has 2 divisors, whose sum is σ = 43927250560550. Its totient is φ = 43927250560548.

The previous prime is 43927250560397. The next prime is 43927250560673. The reversal of 43927250560549 is 94506505272934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40480261008100 + 3446989552449 = 6362410^2 + 1856607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43927250560549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43927250563549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21963625280274 + 21963625280275.

It is an arithmetic number, because the mean of its divisors is an integer number (21963625280275).

Almost surely, 2^{43927250560549} is an apocalyptic number.

It is an amenable number.

43927250560549 is a deficient number, since it is larger than the sum of its proper divisors (1).

43927250560549 is an equidigital number, since it uses as much as digits as its factorization.

43927250560549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648000, while the sum is 61.

The spelling of 43927250560549 in words is "forty-three trillion, nine hundred twenty-seven billion, two hundred fifty million, five hundred sixty thousand, five hundred forty-nine".