43328178713 has 2 divisors, whose sum is σ = 43328178714. Its totient is φ = 43328178712.

The previous prime is 43328178697. The next prime is 43328178737. The reversal of 43328178713 is 31787182334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39025212304 + 4302966409 = 197548^2 + 65597^2 .

It is a cyclic number.

It is not a de Polignac number, because 43328178713 - 2⁴ = 43328178697 is a prime.

It is not a weakly prime, because it can be changed into another prime (43328178763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21664089356 + 21664089357.

It is an arithmetic number, because the mean of its divisors is an integer number (21664089357).

Almost surely, 2^43328178713 is an apocalyptic number.

It is an amenable number.

43328178713 is a deficient number, since it is larger than the sum of its proper divisors (1).

43328178713 is an equidigital number, since it uses as much as digits as its factorization.

43328178713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 47.

The spelling of 43328178713 in words is "forty-three billion, three hundred twenty-eight million, one hundred seventy-eight thousand, seven hundred thirteen".