3804518500061 has 2 divisors, whose sum is σ = 3804518500062. Its totient is φ = 3804518500060.

The previous prime is 3804518500043. The next prime is 3804518500073. The reversal of 3804518500061 is 1600058154083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3350638725625 + 453879774436 = 1830475^2 + 673706^2 .

It is a cyclic number.

It is not a de Polignac number, because 3804518500061 - 2⁶ = 3804518499997 is a prime.

It is a super-2 number, since 2×3804518500061² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3804518499991 and 3804518500018.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3804518500261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902259250030 + 1902259250031.

It is an arithmetic number, because the mean of its divisors is an integer number (1902259250031).

Almost surely, 2^{3804518500061} is an apocalyptic number.

It is an amenable number.

3804518500061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3804518500061 is an equidigital number, since it uses as much as digits as its factorization.

3804518500061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 3804518500061 in words is "three trillion, eight hundred four billion, five hundred eighteen million, five hundred thousand, sixty-one".