4383625867561 has 2 divisors, whose sum is σ = 4383625867562. Its totient is φ = 4383625867560.

The previous prime is 4383625867553. The next prime is 4383625867571. The reversal of 4383625867561 is 1657685263834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3316609176336 + 1067016691225 = 1821156^2 + 1032965^2 .

It is a cyclic number.

It is not a de Polignac number, because 4383625867561 - 2³ = 4383625867553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4383625867493 and 4383625867502.

It is not a weakly prime, because it can be changed into another prime (4383625867571) 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, 2191812933780 + 2191812933781.

It is an arithmetic number, because the mean of its divisors is an integer number (2191812933781).

Almost surely, 2^{4383625867561} is an apocalyptic number.

It is an amenable number.

4383625867561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4383625867561 is an equidigital number, since it uses as much as digits as its factorization.

4383625867561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174182400, while the sum is 64.

The spelling of 4383625867561 in words is "four trillion, three hundred eighty-three billion, six hundred twenty-five million, eight hundred sixty-seven thousand, five hundred sixty-one".