7444404427 has 2 divisors, whose sum is σ = 7444404428. Its totient is φ = 7444404426.

The previous prime is 7444404379. The next prime is 7444404467. The reversal of 7444404427 is 7244044447.

It is an a-pointer prime, because the next prime (7444404467) can be obtained adding 7444404427 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7444404427 - 2¹¹ = 7444402379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7444404427.

It is not a weakly prime, because it can be changed into another prime (7444404467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3722202213 + 3722202214.

It is an arithmetic number, because the mean of its divisors is an integer number (3722202214).

Almost surely, 2^7444404427 is an apocalyptic number.

7444404427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7444404427 is an equidigital number, since it uses as much as digits as its factorization.

7444404427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 401408, while the sum is 40.

The square root of 7444404427 is about 86280.9621353401. The cubic root of 7444404427 is about 1952.5851688451.

The spelling of 7444404427 in words is "seven billion, four hundred forty-four million, four hundred four thousand, four hundred twenty-seven".