1144438395763 has 24 divisors (see below), whose sum is σ = 1306207034880. Its totient is φ = 999469692000.

The previous prime is 1144438395757. The next prime is 1144438395767. The reversal of 1144438395763 is 3675938344411.

It is a de Polignac number, because none of the positive numbers 2^k-1144438395763 is a prime.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144438395698 and 1144438395707.

It is not an unprimeable number, because it can be changed into a prime (1144438395767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2174170 + ... + 2648752.

It is an arithmetic number, because the mean of its divisors is an integer number (54425293120).

Almost surely, 2^{1144438395763} is an apocalyptic number.

1144438395763 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1144438395763 is a deficient number, since it is larger than the sum of its proper divisors (161768639117).

1144438395763 is a wasteful number, since it uses less digits than its factorization.

1144438395763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475379 (or 475366 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 58.

The spelling of 1144438395763 in words is "one trillion, one hundred forty-four billion, four hundred thirty-eight million, three hundred ninety-five thousand, seven hundred sixty-three".