4061405876849 has 2 divisors, whose sum is σ = 4061405876850. Its totient is φ = 4061405876848.

The previous prime is 4061405876797. The next prime is 4061405876861. The reversal of 4061405876849 is 9486785041604.

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., 4048373371249 + 13032505600 = 2012057^2 + 114160^2 .

It is a cyclic number.

It is not a de Polignac number, because 4061405876849 - 2²⁴ = 4061389099633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4061405876791 and 4061405876800.

It is not a weakly prime, because it can be changed into another prime (4061404876849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2030702938424 + 2030702938425.

It is an arithmetic number, because the mean of its divisors is an integer number (2030702938425).

Almost surely, 2^{4061405876849} is an apocalyptic number.

It is an amenable number.

4061405876849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4061405876849 is an equidigital number, since it uses as much as digits as its factorization.

4061405876849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 4061405876849 in words is "four trillion, sixty-one billion, four hundred five million, eight hundred seventy-six thousand, eight hundred forty-nine".