2041890369 has 4 divisors (see below), whose sum is σ = 2722520496. Its totient is φ = 1361260244.

The previous prime is 2041890359. The next prime is 2041890371. The reversal of 2041890369 is 9630981402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2041890369 - 2⁴ = 2041890353 is a prime.

It is a super-2 number, since 2×2041890369² = 8338632558029912322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2041890369.

It is not an unprimeable number, because it can be changed into a prime (2041890329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340315059 + ... + 340315064.

It is an arithmetic number, because the mean of its divisors is an integer number (680630124).

Almost surely, 2^2041890369 is an apocalyptic number.

It is an amenable number.

2041890369 is a deficient number, since it is larger than the sum of its proper divisors (680630127).

2041890369 is an equidigital number, since it uses as much as digits as its factorization.

2041890369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680630126.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2041890369 is about 45187.2810534115. The cubic root of 2041890369 is about 1268.6567667211.

The spelling of 2041890369 in words is "two billion, forty-one million, eight hundred ninety thousand, three hundred sixty-nine".