1944829349 has 4 divisors (see below), whose sum is σ = 2011892460. Its totient is φ = 1877766240.

The previous prime is 1944829333. The next prime is 1944829351. The reversal of 1944829349 is 9439284491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1553778724 + 391050625 = 39418^2 + 19775^2 .

It is not a de Polignac number, because 1944829349 - 2⁴ = 1944829333 is a prime.

It is a super-2 number, since 2×1944829349² = 7564722393463527602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1944829349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944829049) 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, 33531512 + ... + 33531569.

It is an arithmetic number, because the mean of its divisors is an integer number (502973115).

Almost surely, 2^1944829349 is an apocalyptic number.

It is an amenable number.

1944829349 is a deficient number, since it is larger than the sum of its proper divisors (67063111).

1944829349 is an equidigital number, since it uses as much as digits as its factorization.

1944829349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67063110.

The product of its digits is 2239488, while the sum is 53.

The square root of 1944829349 is about 44100.2193758716. The cubic root of 1944829349 is about 1248.2277496103.

The spelling of 1944829349 in words is "one billion, nine hundred forty-four million, eight hundred twenty-nine thousand, three hundred forty-nine".