1944707113 has 2 divisors, whose sum is σ = 1944707114. Its totient is φ = 1944707112.

The previous prime is 1944707101. The next prime is 1944707153. The reversal of 1944707113 is 3117074491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050278464 + 894428649 = 32408^2 + 29907^2 .

It is a cyclic number.

It is not a de Polignac number, because 1944707113 - 2⁵ = 1944707081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1944707153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972353556 + 972353557.

It is an arithmetic number, because the mean of its divisors is an integer number (972353557).

Almost surely, 2^1944707113 is an apocalyptic number.

It is an amenable number.

1944707113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944707113 is an equidigital number, since it uses as much as digits as its factorization.

1944707113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1944707113 is about 44098.8334652970. The cubic root of 1944707113 is about 1248.2015979476.

The spelling of 1944707113 in words is "one billion, nine hundred forty-four million, seven hundred seven thousand, one hundred thirteen".