4071911917 has 2 divisors, whose sum is σ = 4071911918. Its totient is φ = 4071911916.

The previous prime is 4071911903. The next prime is 4071911923. The reversal of 4071911917 is 7191191704.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2299586116 + 1772325801 = 47954^2 + 42099^2 .

It is a cyclic number.

It is not a de Polignac number, because 4071911917 - 2¹¹ = 4071909869 is a prime.

It is a super-2 number, since 2×4071911917² = 33160933319613229778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4071911917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4071911017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035955958 + 2035955959.

It is an arithmetic number, because the mean of its divisors is an integer number (2035955959).

Almost surely, 2^4071911917 is an apocalyptic number.

It is an amenable number.

4071911917 is a deficient number, since it is larger than the sum of its proper divisors (1).

4071911917 is an equidigital number, since it uses as much as digits as its factorization.

4071911917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 40.

The square root of 4071911917 is about 63811.5343570424. The cubic root of 4071911917 is about 1596.8573622933.

The spelling of 4071911917 in words is "four billion, seventy-one million, nine hundred eleven thousand, nine hundred seventeen".