7044139009 has 2 divisors, whose sum is σ = 7044139010. Its totient is φ = 7044139008.

The previous prime is 7044138973. The next prime is 7044139079. The reversal of 7044139009 is 9009314407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6539148225 + 504990784 = 80865^2 + 22472^2 .

It is a cyclic number.

It is not a de Polignac number, because 7044139009 - 2¹³ = 7044130817 is a prime.

It is a super-3 number, since 3×7044139009³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7044139079) 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, 3522069504 + 3522069505.

It is an arithmetic number, because the mean of its divisors is an integer number (3522069505).

Almost surely, 2^7044139009 is an apocalyptic number.

It is an amenable number.

7044139009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7044139009 is an equidigital number, since it uses as much as digits as its factorization.

7044139009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 7044139009 is about 83929.3691683668. The cubic root of 7044139009 is about 1916.9434701857.

The spelling of 7044139009 in words is "seven billion, forty-four million, one hundred thirty-nine thousand, nine".