4171087961 has 2 divisors, whose sum is σ = 4171087962. Its totient is φ = 4171087960.

The previous prime is 4171087957. The next prime is 4171087997. The reversal of 4171087961 is 1697801714.

4171087961 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., 3858894400 + 312193561 = 62120^2 + 17669^2 .

It is a cyclic number.

It is not a de Polignac number, because 4171087961 - 2² = 4171087957 is a prime.

It is not a weakly prime, because it can be changed into another prime (4171087861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085543980 + 2085543981.

It is an arithmetic number, because the mean of its divisors is an integer number (2085543981).

Almost surely, 2^4171087961 is an apocalyptic number.

It is an amenable number.

4171087961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4171087961 is an equidigital number, since it uses as much as digits as its factorization.

4171087961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 4171087961 is about 64583.9605552338. The cubic root of 4171087961 is about 1609.7179348461.

The spelling of 4171087961 in words is "four billion, one hundred seventy-one million, eighty-seven thousand, nine hundred sixty-one".