43245681041 has 2 divisors, whose sum is σ = 43245681042. Its totient is φ = 43245681040.

The previous prime is 43245681007. The next prime is 43245681053. The reversal of 43245681041 is 14018654234.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37977824641 + 5267856400 = 194879^2 + 72580^2 .

It is a cyclic number.

It is not a de Polignac number, because 43245681041 - 2³⁴ = 26065811857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43245680986 and 43245681004.

It is not a weakly prime, because it can be changed into another prime (43245681841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21622840520 + 21622840521.

It is an arithmetic number, because the mean of its divisors is an integer number (21622840521).

Almost surely, 2^43245681041 is an apocalyptic number.

It is an amenable number.

43245681041 is a deficient number, since it is larger than the sum of its proper divisors (1).

43245681041 is an equidigital number, since it uses as much as digits as its factorization.

43245681041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 43245681041 in words is "forty-three billion, two hundred forty-five million, six hundred eighty-one thousand, forty-one".