1944092939 has 12 divisors (see below), whose sum is σ = 2053870416. Its totient is φ = 1839913488.

The previous prime is 1944092933. The next prime is 1944092957. The reversal of 1944092939 is 9392904491.

It is not a de Polignac number, because 1944092939 - 2²⁸ = 1675657483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1944092933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468317 + ... + 472449.

It is an arithmetic number, because the mean of its divisors is an integer number (171155868).

Almost surely, 2^1944092939 is an apocalyptic number.

1944092939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1944092939 is a deficient number, since it is larger than the sum of its proper divisors (109777477).

1944092939 is a wasteful number, since it uses less digits than its factorization.

1944092939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474 (or 5455 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 1944092939 is about 44091.8693071637. The cubic root of 1944092939 is about 1248.0701824968.

The spelling of 1944092939 in words is "one billion, nine hundred forty-four million, ninety-two thousand, nine hundred thirty-nine".