43007644241 has 2 divisors, whose sum is σ = 43007644242. Its totient is φ = 43007644240.

The previous prime is 43007644219. The next prime is 43007644247. The reversal of 43007644241 is 14244670034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34551002641 + 8456641600 = 185879^2 + 91960^2 .

It is a cyclic number.

It is not a de Polignac number, because 43007644241 - 2¹⁴ = 43007627857 is a prime.

It is not a weakly prime, because it can be changed into another prime (43007644247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21503822120 + 21503822121.

It is an arithmetic number, because the mean of its divisors is an integer number (21503822121).

Almost surely, 2^43007644241 is an apocalyptic number.

It is an amenable number.

43007644241 is a deficient number, since it is larger than the sum of its proper divisors (1).

43007644241 is an equidigital number, since it uses as much as digits as its factorization.

43007644241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 43007644241 in words is "forty-three billion, seven million, six hundred forty-four thousand, two hundred forty-one".