7074440389 has 2 divisors, whose sum is σ = 7074440390. Its totient is φ = 7074440388.

The previous prime is 7074440383. The next prime is 7074440459. The reversal of 7074440389 is 9830444707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6270264225 + 804176164 = 79185^2 + 28358^2 .

It is a cyclic number.

It is not a de Polignac number, because 7074440389 - 2³ = 7074440381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7074440381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3537220194 + 3537220195.

It is an arithmetic number, because the mean of its divisors is an integer number (3537220195).

Almost surely, 2^7074440389 is an apocalyptic number.

It is an amenable number.

7074440389 is a deficient number, since it is larger than the sum of its proper divisors (1).

7074440389 is an equidigital number, since it uses as much as digits as its factorization.

7074440389 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 46.

The square root of 7074440389 is about 84109.6925984158. The cubic root of 7074440389 is about 1919.6882079243.

The spelling of 7074440389 in words is "seven billion, seventy-four million, four hundred forty thousand, three hundred eighty-nine".