2544246047 has 4 divisors (see below), whose sum is σ = 2907709776. Its totient is φ = 2180782320.

The previous prime is 2544246037. The next prime is 2544246071. The reversal of 2544246047 is 7406424452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2544246047 - 2⁴ = 2544246031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2544246047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544246037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181731854 + ... + 181731867.

It is an arithmetic number, because the mean of its divisors is an integer number (726927444).

Almost surely, 2^2544246047 is an apocalyptic number.

2544246047 is a deficient number, since it is larger than the sum of its proper divisors (363463729).

2544246047 is an equidigital number, since it uses as much as digits as its factorization.

2544246047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363463728.

The product of its (nonzero) digits is 215040, while the sum is 38.

The square root of 2544246047 is about 50440.5198922454. The cubic root of 2544246047 is about 1365.1688479649.

The spelling of 2544246047 in words is "two billion, five hundred forty-four million, two hundred forty-six thousand, forty-seven".