1944885314 has 4 divisors (see below), whose sum is σ = 2917327974. Its totient is φ = 972442656.

The previous prime is 1944885311. The next prime is 1944885317. The reversal of 1944885314 is 4135884491.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1944885311) and next prime (1944885317).

It can be written as a sum of positive squares in only one way, i.e., 1867709089 + 77176225 = 43217^2 + 8785^2 .

It is a super-2 number, since 2×1944885314² = 7565157769225757192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1944885311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486221327 + ... + 486221330.

Almost surely, 2^1944885314 is an apocalyptic number.

1944885314 is a deficient number, since it is larger than the sum of its proper divisors (972442660).

1944885314 is an equidigital number, since it uses as much as digits as its factorization.

1944885314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972442659.

The product of its digits is 552960, while the sum is 47.

The square root of 1944885314 is about 44100.8538919600. The cubic root of 1944885314 is about 1248.2397226224.

The spelling of 1944885314 in words is "one billion, nine hundred forty-four million, eight hundred eighty-five thousand, three hundred fourteen".