3904187277161 has 2 divisors, whose sum is σ = 3904187277162. Its totient is φ = 3904187277160.

The previous prime is 3904187277149. The next prime is 3904187277191. The reversal of 3904187277161 is 1617727814093.

3904187277161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2729252682025 + 1174934595136 = 1652045^2 + 1083944^2 .

It is a cyclic number.

It is not a de Polignac number, because 3904187277161 - 2³⁰ = 3903113535337 is a prime.

It is a super-3 number, since 3×3904187277161³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3904187277097 and 3904187277106.

It is not a weakly prime, because it can be changed into another prime (3904187277101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1952093638580 + 1952093638581.

It is an arithmetic number, because the mean of its divisors is an integer number (1952093638581).

Almost surely, 2^{3904187277161} is an apocalyptic number.

It is an amenable number.

3904187277161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3904187277161 is an equidigital number, since it uses as much as digits as its factorization.

3904187277161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 56.

The spelling of 3904187277161 in words is "three trillion, nine hundred four billion, one hundred eighty-seven million, two hundred seventy-seven thousand, one hundred sixty-one".