2641541389 has 4 divisors (see below), whose sum is σ = 2646233856. Its totient is φ = 2636848924.

The previous prime is 2641541387. The next prime is 2641541393. The reversal of 2641541389 is 9831451462.

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 2641541389 - 2¹ = 2641541387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641541381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345389 + ... + 2346514.

It is an arithmetic number, because the mean of its divisors is an integer number (661558464).

Almost surely, 2^2641541389 is an apocalyptic number.

It is an amenable number.

2641541389 is a deficient number, since it is larger than the sum of its proper divisors (4692467).

2641541389 is an equidigital number, since it uses as much as digits as its factorization.

2641541389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692466.

The product of its digits is 207360, while the sum is 43.

The square root of 2641541389 is about 51395.9277472447. The cubic root of 2641541389 is about 1382.3535747397.

The spelling of 2641541389 in words is "two billion, six hundred forty-one million, five hundred forty-one thousand, three hundred eighty-nine".