1954944383 has 8 divisors (see below), whose sum is σ = 2246705280. Its totient is φ = 1666304280.

The previous prime is 1954944361. The next prime is 1954944419. The reversal of 1954944383 is 3834494591.

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

It is a cyclic number.

It is not a de Polignac number, because 1954944383 - 2⁸ = 1954944127 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 (1954944883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778853 + ... + 781358.

It is an arithmetic number, because the mean of its divisors is an integer number (280838160).

Almost surely, 2^1954944383 is an apocalyptic number.

1954944383 is a deficient number, since it is larger than the sum of its proper divisors (291760897).

1954944383 is a wasteful number, since it uses less digits than its factorization.

1954944383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560397.

The product of its digits is 1866240, while the sum is 50.

The square root of 1954944383 is about 44214.7530016849. The cubic root of 1954944383 is about 1250.3880145833.

The spelling of 1954944383 in words is "one billion, nine hundred fifty-four million, nine hundred forty-four thousand, three hundred eighty-three".