2041153649 has 4 divisors (see below), whose sum is σ = 2079666036. Its totient is φ = 2002641264.

The previous prime is 2041153633. The next prime is 2041153651. The reversal of 2041153649 is 9463511402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1623687025 + 417466624 = 40295^2 + 20432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041153649 - 2⁴ = 2041153633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2041153619) 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, 19256114 + ... + 19256219.

It is an arithmetic number, because the mean of its divisors is an integer number (519916509).

Almost surely, 2^2041153649 is an apocalyptic number.

It is an amenable number.

2041153649 is a deficient number, since it is larger than the sum of its proper divisors (38512387).

2041153649 is an equidigital number, since it uses as much as digits as its factorization.

2041153649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38512386.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2041153649 is about 45179.1284665829. The cubic root of 2041153649 is about 1268.5041700134.

The spelling of 2041153649 in words is "two billion, forty-one million, one hundred fifty-three thousand, six hundred forty-nine".