43506276061 has 2 divisors, whose sum is σ = 43506276062. Its totient is φ = 43506276060.

The previous prime is 43506276043. The next prime is 43506276071. The reversal of 43506276061 is 16067260534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22071559225 + 21434716836 = 148565^2 + 146406^2 .

It is a cyclic number.

It is not a de Polignac number, because 43506276061 - 2⁷ = 43506275933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43506276071) 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, 21753138030 + 21753138031.

It is an arithmetic number, because the mean of its divisors is an integer number (21753138031).

Almost surely, 2^43506276061 is an apocalyptic number.

It is an amenable number.

43506276061 is a deficient number, since it is larger than the sum of its proper divisors (1).

43506276061 is an equidigital number, since it uses as much as digits as its factorization.

43506276061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 43506276061 in words is "forty-three billion, five hundred six million, two hundred seventy-six thousand, sixty-one".