1944268063 has 2 divisors, whose sum is σ = 1944268064. Its totient is φ = 1944268062.

The previous prime is 1944268031. The next prime is 1944268127. The reversal of 1944268063 is 3608624491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1944268063 - 2⁵ = 1944268031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1944268163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972134031 + 972134032.

It is an arithmetic number, because the mean of its divisors is an integer number (972134032).

Almost surely, 2^1944268063 is an apocalyptic number.

1944268063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944268063 is an equidigital number, since it uses as much as digits as its factorization.

1944268063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 1944268063 is about 44093.8551614621. The cubic root of 1944268063 is about 1248.1076567820.

The spelling of 1944268063 in words is "one billion, nine hundred forty-four million, two hundred sixty-eight thousand, sixty-three".