2544198069 has 16 divisors (see below), whose sum is σ = 3888596480. Its totient is φ = 1449431280.

The previous prime is 2544198047. The next prime is 2544198079. The reversal of 2544198069 is 9608914452.

It is not a de Polignac number, because 2544198069 - 2¹¹ = 2544196021 is a prime.

It is a super-2 number, since 2×2544198069² = 12945887628606657522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544198079) 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 15 ways as a sum of consecutive naturals, for example, 176059 + ... + 189960.

It is an arithmetic number, because the mean of its divisors is an integer number (243037280).

Almost surely, 2^2544198069 is an apocalyptic number.

It is an amenable number.

2544198069 is a deficient number, since it is larger than the sum of its proper divisors (1344398411).

2544198069 is a wasteful number, since it uses less digits than its factorization.

2544198069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366360.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 2544198069 is about 50440.0443001392. The cubic root of 2544198069 is about 1365.1602667085.

The spelling of 2544198069 in words is "two billion, five hundred forty-four million, one hundred ninety-eight thousand, sixty-nine".