2102040349 has 2 divisors, whose sum is σ = 2102040350. Its totient is φ = 2102040348.

The previous prime is 2102040341. The next prime is 2102040371. The reversal of 2102040349 is 9430402012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2071160100 + 30880249 = 45510^2 + 5557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102040349 - 2³ = 2102040341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102040341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051020174 + 1051020175.

It is an arithmetic number, because the mean of its divisors is an integer number (1051020175).

Almost surely, 2^2102040349 is an apocalyptic number.

It is an amenable number.

2102040349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102040349 is an equidigital number, since it uses as much as digits as its factorization.

2102040349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2102040349 is about 45848.0135774714. The cubic root of 2102040349 is about 1280.9937654116.

The spelling of 2102040349 in words is "two billion, one hundred two million, forty thousand, three hundred forty-nine".