1944426011 has 8 divisors (see below), whose sum is σ = 2135430000. Its totient is φ = 1755795040.

The previous prime is 1944425993. The next prime is 1944426019. The reversal of 1944426011 is 1106244491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1944426011 - 2¹⁰ = 1944424987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1944426019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591536 + ... + 594813.

It is an arithmetic number, because the mean of its divisors is an integer number (266928750).

Almost surely, 2^1944426011 is an apocalyptic number.

1944426011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1944426011 is a deficient number, since it is larger than the sum of its proper divisors (191003989).

1944426011 is a wasteful number, since it uses less digits than its factorization.

1944426011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186509.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1944426011 is about 44095.6461683010. The cubic root of 1944426011 is about 1248.1414536941.

The spelling of 1944426011 in words is "one billion, nine hundred forty-four million, four hundred twenty-six thousand, eleven".