1144386239473 has 4 divisors (see below), whose sum is σ = 1144920252928. Its totient is φ = 1143852226020.

The previous prime is 1144386239429. The next prime is 1144386239501. The reversal of 1144386239473 is 3749326834411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144386239473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144386231473) 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, 267003513 + ... + 267007798.

It is an arithmetic number, because the mean of its divisors is an integer number (286230063232).

Almost surely, 2^{1144386239473} is an apocalyptic number.

It is an amenable number.

1144386239473 is a deficient number, since it is larger than the sum of its proper divisors (534013455).

1144386239473 is an equidigital number, since it uses as much as digits as its factorization.

1144386239473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534013454.

The product of its digits is 10450944, while the sum is 55.

The spelling of 1144386239473 in words is "one trillion, one hundred forty-four billion, three hundred eighty-six million, two hundred thirty-nine thousand, four hundred seventy-three".