1144621803479 has 16 divisors (see below), whose sum is σ = 1432746475776. Its totient is φ = 888359640000.

The previous prime is 1144621803379. The next prime is 1144621803497. The reversal of 1144621803479 is 9743081264411.

It is a de Polignac number, because none of the positive numbers 2^k-1144621803479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144621803079) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29592662 + ... + 29631315.

It is an arithmetic number, because the mean of its divisors is an integer number (89546654736).

Almost surely, 2^{1144621803479} is an apocalyptic number.

1144621803479 is a deficient number, since it is larger than the sum of its proper divisors (288124672297).

1144621803479 is a wasteful number, since it uses less digits than its factorization.

1144621803479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59224246.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 1144621803479 in words is "one trillion, one hundred forty-four billion, six hundred twenty-one million, eight hundred three thousand, four hundred seventy-nine".