4078213289 has 2 divisors, whose sum is σ = 4078213290. Its totient is φ = 4078213288.

The previous prime is 4078213261. The next prime is 4078213331. The reversal of 4078213289 is 9823128704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3173406889 + 904806400 = 56333^2 + 30080^2 .

It is a cyclic number.

It is not a de Polignac number, because 4078213289 - 2¹² = 4078209193 is a prime.

It is not a weakly prime, because it can be changed into another prime (4078213259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039106644 + 2039106645.

It is an arithmetic number, because the mean of its divisors is an integer number (2039106645).

Almost surely, 2^4078213289 is an apocalyptic number.

It is an amenable number.

4078213289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4078213289 is an equidigital number, since it uses as much as digits as its factorization.

4078213289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 4078213289 is about 63860.8901362955. The cubic root of 4078213289 is about 1597.6806615480.

The spelling of 4078213289 in words is "four billion, seventy-eight million, two hundred thirteen thousand, two hundred eighty-nine".