43748561041 has 2 divisors, whose sum is σ = 43748561042. Its totient is φ = 43748561040.

The previous prime is 43748560967. The next prime is 43748561057. The reversal of 43748561041 is 14016584734.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43599110416 + 149450625 = 208804^2 + 12225^2 .

It is a cyclic number.

It is not a de Polignac number, because 43748561041 - 2⁷ = 43748560913 is a prime.

It is not a weakly prime, because it can be changed into another prime (43748561081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21874280520 + 21874280521.

It is an arithmetic number, because the mean of its divisors is an integer number (21874280521).

Almost surely, 2^43748561041 is an apocalyptic number.

It is an amenable number.

43748561041 is a deficient number, since it is larger than the sum of its proper divisors (1).

43748561041 is an equidigital number, since it uses as much as digits as its factorization.

43748561041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 43748561041 in words is "forty-three billion, seven hundred forty-eight million, five hundred sixty-one thousand, forty-one".