43380444307 has 2 divisors, whose sum is σ = 43380444308. Its totient is φ = 43380444306.

The previous prime is 43380444277. The next prime is 43380444311. The reversal of 43380444307 is 70344408334.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43380444307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43380444307.

It is not a weakly prime, because it can be changed into another prime (43380444007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21690222153 + 21690222154.

It is an arithmetic number, because the mean of its divisors is an integer number (21690222154).

Almost surely, 2^43380444307 is an apocalyptic number.

43380444307 is a deficient number, since it is larger than the sum of its proper divisors (1).

43380444307 is an equidigital number, since it uses as much as digits as its factorization.

43380444307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 40.

The spelling of 43380444307 in words is "forty-three billion, three hundred eighty million, four hundred forty-four thousand, three hundred seven".