2541816091 has 2 divisors, whose sum is σ = 2541816092. Its totient is φ = 2541816090.

The previous prime is 2541816061. The next prime is 2541816103. The reversal of 2541816091 is 1906181452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2541816091 - 2¹¹ = 2541814043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2541816091.

It is not a weakly prime, because it can be changed into another prime (2541816001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270908045 + 1270908046.

It is an arithmetic number, because the mean of its divisors is an integer number (1270908046).

Almost surely, 2^2541816091 is an apocalyptic number.

2541816091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541816091 is an equidigital number, since it uses as much as digits as its factorization.

2541816091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 2541816091 is about 50416.4267972255. The cubic root of 2541816091 is about 1364.7340948230.

The spelling of 2541816091 in words is "two billion, five hundred forty-one million, eight hundred sixteen thousand, ninety-one".