3902106881 has 2 divisors, whose sum is σ = 3902106882. Its totient is φ = 3902106880.

The previous prime is 3902106841. The next prime is 3902106907. The reversal of 3902106881 is 1886012093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3109177600 + 792929281 = 55760^2 + 28159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3902106881 is a prime.

It is a super-2 number, since 2×3902106881² = 30452876221495096322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3902106841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951053440 + 1951053441.

It is an arithmetic number, because the mean of its divisors is an integer number (1951053441).

Almost surely, 2^3902106881 is an apocalyptic number.

It is an amenable number.

3902106881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3902106881 is an equidigital number, since it uses as much as digits as its factorization.

3902106881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 3902106881 is about 62466.8462546333. The cubic root of 3902106881 is about 1574.3443150949.

The spelling of 3902106881 in words is "three billion, nine hundred two million, one hundred six thousand, eight hundred eighty-one".