1141944479 has 8 divisors (see below), whose sum is σ = 1294512240. Its totient is φ = 998623296.

The previous prime is 1141944467. The next prime is 1141944487. The reversal of 1141944479 is 9744491411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141944479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141944409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311382 + ... + 2311875.

It is an arithmetic number, because the mean of its divisors is an integer number (161814030).

Almost surely, 2^1141944479 is an apocalyptic number.

1141944479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1141944479 is a deficient number, since it is larger than the sum of its proper divisors (152567761).

1141944479 is a wasteful number, since it uses less digits than its factorization.

1141944479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623289.

The product of its digits is 145152, while the sum is 44.

The square root of 1141944479 is about 33792.6690126720. The cubic root of 1141944479 is about 1045.2375333603.

The spelling of 1141944479 in words is "one billion, one hundred forty-one million, nine hundred forty-four thousand, four hundred seventy-nine".