3144388747 has 2 divisors, whose sum is σ = 3144388748. Its totient is φ = 3144388746.

The previous prime is 3144388721. The next prime is 3144388843. The reversal of 3144388747 is 7478834413.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3144388747 - 2¹⁵ = 3144355979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3144388747.

It is not a weakly prime, because it can be changed into another prime (3144388447) 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, 1572194373 + 1572194374.

It is an arithmetic number, because the mean of its divisors is an integer number (1572194374).

Almost surely, 2^3144388747 is an apocalyptic number.

3144388747 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144388747 is an equidigital number, since it uses as much as digits as its factorization.

3144388747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 49.

The square root of 3144388747 is about 56074.8495049251. The cubic root of 3144388747 is about 1465.0262661134.

The spelling of 3144388747 in words is "three billion, one hundred forty-four million, three hundred eighty-eight thousand, seven hundred forty-seven".