1444255313463 has 12 divisors (see below), whose sum is σ = 2176848588720. Its totient is φ = 920974402656.

The previous prime is 1444255313437. The next prime is 1444255313471. The reversal of 1444255313463 is 3643135524441.

1444255313463 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 2 + 553 + 1 + 34 + 63 = 666.

It is not a de Polignac number, because 1444255313463 - 2²² = 1444251119159 is a prime.

It is a super-2 number, since 2×1444255313463² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444255312463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3488539198 + ... + 3488539611.

It is an arithmetic number, because the mean of its divisors is an integer number (181404049060).

Almost surely, 2^{1444255313463} is an apocalyptic number.

1444255313463 is a deficient number, since it is larger than the sum of its proper divisors (732593275257).

1444255313463 is a wasteful number, since it uses less digits than its factorization.

1444255313463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977078838 (or 6977078835 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The spelling of 1444255313463 in words is "one trillion, four hundred forty-four billion, two hundred fifty-five million, three hundred thirteen thousand, four hundred sixty-three".