2891009941 has 2 divisors, whose sum is σ = 2891009942. Its totient is φ = 2891009940.

The previous prime is 2891009929. The next prime is 2891009963. The reversal of 2891009941 is 1499001982.

It is a happy number.

2891009941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2550755025 + 340254916 = 50505^2 + 18446^2 .

It is a cyclic number.

It is not a de Polignac number, because 2891009941 - 2¹³ = 2891001749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2891009041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445504970 + 1445504971.

It is an arithmetic number, because the mean of its divisors is an integer number (1445504971).

Almost surely, 2^2891009941 is an apocalyptic number.

It is an amenable number.

2891009941 is a deficient number, since it is larger than the sum of its proper divisors (1).

2891009941 is an equidigital number, since it uses as much as digits as its factorization.

2891009941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 2891009941 is about 53768.1126784268. The cubic root of 2891009941 is about 1424.5680342078.

The spelling of 2891009941 in words is "two billion, eight hundred ninety-one million, nine thousand, nine hundred forty-one".