1444977763 has 2 divisors, whose sum is σ = 1444977764. Its totient is φ = 1444977762.

The previous prime is 1444977757. The next prime is 1444977799. The reversal of 1444977763 is 3677794441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1444977763 - 2¹³ = 1444969571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1444977763.

It is not a weakly prime, because it can be changed into another prime (1444977733) 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, 722488881 + 722488882.

It is an arithmetic number, because the mean of its divisors is an integer number (722488882).

Almost surely, 2^1444977763 is an apocalyptic number.

1444977763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444977763 is an equidigital number, since it uses as much as digits as its factorization.

1444977763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 52.

The square root of 1444977763 is about 38012.8631255263. The cubic root of 1444977763 is about 1130.5429199876.

The spelling of 1444977763 in words is "one billion, four hundred forty-four million, nine hundred seventy-seven thousand, seven hundred sixty-three".