2544243698 has 16 divisors (see below), whose sum is σ = 4043662560. Its totient is φ = 1196460096.

The previous prime is 2544243677. The next prime is 2544243701. The reversal of 2544243698 is 8963424452.

It is an unprimeable number.

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, 25193 + ... + 75651.

It is an arithmetic number, because the mean of its divisors is an integer number (252728910).

Almost surely, 2^2544243698 is an apocalyptic number.

2544243698 is a deficient number, since it is larger than the sum of its proper divisors (1499418862).

2544243698 is a wasteful number, since it uses less digits than its factorization.

2544243698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51961.

The product of its digits is 1658880, while the sum is 47.

The square root of 2544243698 is about 50440.4966073888. The cubic root of 2544243698 is about 1365.1684278296.

The spelling of 2544243698 in words is "two billion, five hundred forty-four million, two hundred forty-three thousand, six hundred ninety-eight".