43061046641 has 2 divisors, whose sum is σ = 43061046642. Its totient is φ = 43061046640.

The previous prime is 43061046619. The next prime is 43061046643. The reversal of 43061046641 is 14664016034.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34152518416 + 8908528225 = 184804^2 + 94385^2 .

It is a cyclic number.

It is not a de Polignac number, because 43061046641 - 2³⁴ = 25881177457 is a prime.

Together with 43061046643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43061046643) 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, 21530523320 + 21530523321.

It is an arithmetic number, because the mean of its divisors is an integer number (21530523321).

Almost surely, 2^43061046641 is an apocalyptic number.

It is an amenable number.

43061046641 is a deficient number, since it is larger than the sum of its proper divisors (1).

43061046641 is an equidigital number, since it uses as much as digits as its factorization.

43061046641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 43061046641 in words is "forty-three billion, sixty-one million, forty-six thousand, six hundred forty-one".