1444309263361 has 16 divisors (see below), whose sum is σ = 1632429106560. Its totient is φ = 1269667042560.

The previous prime is 1444309263349. The next prime is 1444309263373. The reversal of 1444309263361 is 1633629034441.

It is an interprime number because it is at equal distance from previous prime (1444309263349) and next prime (1444309263373).

It is a cyclic number.

It is not a de Polignac number, because 1444309263361 - 2¹¹ = 1444309261313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444309203361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31466826 + ... + 31512691.

It is an arithmetic number, because the mean of its divisors is an integer number (102026819160).

Almost surely, 2^{1444309263361} is an apocalyptic number.

It is an amenable number.

1444309263361 is a deficient number, since it is larger than the sum of its proper divisors (188119843199).

1444309263361 is a wasteful number, since it uses less digits than its factorization.

1444309263361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62979624.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 1444309263361 in words is "one trillion, four hundred forty-four billion, three hundred nine million, two hundred sixty-three thousand, three hundred sixty-one".