1943309044 has 6 divisors (see below), whose sum is σ = 3400790834. Its totient is φ = 971654520.

The previous prime is 1943309041. The next prime is 1943309051. The reversal of 1943309044 is 4409033491.

It can be written as a sum of positive squares in only one way, i.e., 1700572644 + 242736400 = 41238^2 + 15580^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1943308994 and 1943309012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1943309041) 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 as a sum of consecutive naturals, namely, 242913627 + ... + 242913634.

Almost surely, 2^1943309044 is an apocalyptic number.

It is an amenable number.

1943309044 is a deficient number, since it is larger than the sum of its proper divisors (1457481790).

1943309044 is a wasteful number, since it uses less digits than its factorization.

1943309044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485827265 (or 485827263 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1943309044 is about 44082.9790735608. The cubic root of 1943309044 is about 1247.9024114534.

The spelling of 1943309044 in words is "one billion, nine hundred forty-three million, three hundred nine thousand, forty-four".