7144774409 has 2 divisors, whose sum is σ = 7144774410. Its totient is φ = 7144774408.

The previous prime is 7144774397. The next prime is 7144774423. The reversal of 7144774409 is 9044774417.

It is a happy number.

7144774409 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., 7128087184 + 16687225 = 84428^2 + 4085^2 .

It is a cyclic number.

It is not a de Polignac number, because 7144774409 - 2⁴ = 7144774393 is a prime.

It is not a weakly prime, because it can be changed into another prime (7144774489) 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, 3572387204 + 3572387205.

It is an arithmetic number, because the mean of its divisors is an integer number (3572387205).

Almost surely, 2^7144774409 is an apocalyptic number.

It is an amenable number.

7144774409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7144774409 is an equidigital number, since it uses as much as digits as its factorization.

7144774409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 47.

The square root of 7144774409 is about 84526.7674112763. The cubic root of 7144774409 is about 1926.0290812066.

The spelling of 7144774409 in words is "seven billion, one hundred forty-four million, seven hundred seventy-four thousand, four hundred nine".