1144939569446 has 24 divisors (see below), whose sum is σ = 1826582806296. Its totient is φ = 538143361280.

The previous prime is 1144939569413. The next prime is 1144939569451. The reversal of 1144939569446 is 6449659394411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 719615 + ... + 1675626.

It is an arithmetic number, because the mean of its divisors is an integer number (76107616929).

Almost surely, 2^{1144939569446} is an apocalyptic number.

1144939569446 is a deficient number, since it is larger than the sum of its proper divisors (681643236850).

1144939569446 is a wasteful number, since it uses less digits than its factorization.

1144939569446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396104 (or 2396087 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 65.

The spelling of 1144939569446 in words is "one trillion, one hundred forty-four billion, nine hundred thirty-nine million, five hundred sixty-nine thousand, four hundred forty-six".