1444673701 has 2 divisors, whose sum is σ = 1444673702. Its totient is φ = 1444673700.

The previous prime is 1444673689. The next prime is 1444673717. The reversal of 1444673701 is 1073764441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786802500 + 657871201 = 28050^2 + 25649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444673701 - 2⁵ = 1444673669 is a prime.

It is a super-2 number, since 2×1444673701² = 4174164204722074802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444673731) 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, 722336850 + 722336851.

It is an arithmetic number, because the mean of its divisors is an integer number (722336851).

Almost surely, 2^1444673701 is an apocalyptic number.

It is an amenable number.

1444673701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444673701 is an equidigital number, since it uses as much as digits as its factorization.

1444673701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 1444673701 is about 38008.8634531473. The cubic root of 1444673701 is about 1130.4636155939.

The spelling of 1444673701 in words is "one billion, four hundred forty-four million, six hundred seventy-three thousand, seven hundred one".