1444063753387 has 4 divisors (see below), whose sum is σ = 1445532791760. Its totient is φ = 1442594715016.

The previous prime is 1444063753381. The next prime is 1444063753411. The reversal of 1444063753387 is 7833573604441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444063753387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444063753381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734517712 + ... + 734519677.

It is an arithmetic number, because the mean of its divisors is an integer number (361383197940).

Almost surely, 2^{1444063753387} is an apocalyptic number.

1444063753387 is a deficient number, since it is larger than the sum of its proper divisors (1469038373).

1444063753387 is an equidigital number, since it uses as much as digits as its factorization.

1444063753387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469038372.

The product of its (nonzero) digits is 20321280, while the sum is 55.

The spelling of 1444063753387 in words is "one trillion, four hundred forty-four billion, sixty-three million, seven hundred fifty-three thousand, three hundred eighty-seven".