4072718389 has 2 divisors, whose sum is σ = 4072718390. Its totient is φ = 4072718388.

The previous prime is 4072718369. The next prime is 4072718393. The reversal of 4072718389 is 9838172704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4072609489 + 108900 = 63817^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 4072718389 - 2⁹ = 4072717877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4072718359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036359194 + 2036359195.

It is an arithmetic number, because the mean of its divisors is an integer number (2036359195).

Almost surely, 2^4072718389 is an apocalyptic number.

It is an amenable number.

4072718389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4072718389 is an equidigital number, since it uses as much as digits as its factorization.

4072718389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 4072718389 is about 63817.8532152250. The cubic root of 4072718389 is about 1596.9627784357.

The spelling of 4072718389 in words is "four billion, seventy-two million, seven hundred eighteen thousand, three hundred eighty-nine".