2544204109 has 2 divisors, whose sum is σ = 2544204110. Its totient is φ = 2544204108.

The previous prime is 2544204001. The next prime is 2544204137. The reversal of 2544204109 is 9014024452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2445599209 + 98604900 = 49453^2 + 9930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544204109 - 2¹⁹ = 2543679821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2544205109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272102054 + 1272102055.

It is an arithmetic number, because the mean of its divisors is an integer number (1272102055).

Almost surely, 2^2544204109 is an apocalyptic number.

It is an amenable number.

2544204109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544204109 is an equidigital number, since it uses as much as digits as its factorization.

2544204109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2544204109 is about 50440.1041731676. The cubic root of 2544204109 is about 1365.1613470177.

The spelling of 2544204109 in words is "two billion, five hundred forty-four million, two hundred four thousand, one hundred nine".