1944903412 has 12 divisors (see below), whose sum is σ = 3418445380. Its totient is φ = 968204736.

The previous prime is 1944903379. The next prime is 1944903413. The reversal of 1944903412 is 2143094491.

It can be written as a sum of positive squares in 2 ways, for example, as 1720922256 + 223981156 = 41484^2 + 14966^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944903413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060713 + ... + 1062544.

Almost surely, 2^1944903412 is an apocalyptic number.

It is an amenable number.

1944903412 is a deficient number, since it is larger than the sum of its proper divisors (1473541968).

1944903412 is a wasteful number, since it uses less digits than its factorization.

1944903412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123490 (or 2123488 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1944903412 is about 44101.0590802534. The cubic root of 1944903412 is about 1248.2435944141.

The spelling of 1944903412 in words is "one billion, nine hundred forty-four million, nine hundred three thousand, four hundred twelve".