2544135709 has 8 divisors (see below), whose sum is σ = 2606744448. Its totient is φ = 2481880320.

The previous prime is 2544135707. The next prime is 2544135719. The reversal of 2544135709 is 9075314452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2544135709 - 2¹ = 2544135707 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 (2544135703) 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 7 ways as a sum of consecutive naturals, for example, 73732 + ... + 102589.

It is an arithmetic number, because the mean of its divisors is an integer number (325843056).

Almost surely, 2^2544135709 is an apocalyptic number.

It is an amenable number.

2544135709 is a deficient number, since it is larger than the sum of its proper divisors (62608739).

2544135709 is a wasteful number, since it uses less digits than its factorization.

2544135709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176675.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 2544135709 is about 50439.4261367038. The cubic root of 2544135709 is about 1365.1491129530.

The spelling of 2544135709 in words is "two billion, five hundred forty-four million, one hundred thirty-five thousand, seven hundred nine".