43675648733 has 2 divisors, whose sum is σ = 43675648734. Its totient is φ = 43675648732.

The previous prime is 43675648693. The next prime is 43675648739. The reversal of 43675648733 is 33784657634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36696382969 + 6979265764 = 191563^2 + 83542^2 .

It is a cyclic number.

It is not a de Polignac number, because 43675648733 - 2²² = 43671454429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43675648739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21837824366 + 21837824367.

It is an arithmetic number, because the mean of its divisors is an integer number (21837824367).

Almost surely, 2^43675648733 is an apocalyptic number.

It is an amenable number.

43675648733 is a deficient number, since it is larger than the sum of its proper divisors (1).

43675648733 is an equidigital number, since it uses as much as digits as its factorization.

43675648733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 56.

The spelling of 43675648733 in words is "forty-three billion, six hundred seventy-five million, six hundred forty-eight thousand, seven hundred thirty-three".