4002067897 has 2 divisors, whose sum is σ = 4002067898. Its totient is φ = 4002067896.

The previous prime is 4002067877. The next prime is 4002067957. The reversal of 4002067897 is 7987602004.

4002067897 is digitally balanced in base 3, 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., 2168858041 + 1833209856 = 46571^2 + 42816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4002067897 is a prime.

It is not a weakly prime, because it can be changed into another prime (4002067847) 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, 2001033948 + 2001033949.

It is an arithmetic number, because the mean of its divisors is an integer number (2001033949).

Almost surely, 2^4002067897 is an apocalyptic number.

It is an amenable number.

4002067897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002067897 is an equidigital number, since it uses as much as digits as its factorization.

4002067897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 4002067897 is about 63261.8992522355. The cubic root of 4002067897 is about 1587.6745533320.

The spelling of 4002067897 in words is "four billion, two million, sixty-seven thousand, eight hundred ninety-seven".