2544264623 has 16 divisors (see below), whose sum is σ = 2699122176. Its totient is φ = 2393270880.

The previous prime is 2544264617. The next prime is 2544264631. The reversal of 2544264623 is 3264624452.

It is a cyclic number.

It is not a de Polignac number, because 2544264623 - 2⁴ = 2544264607 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 (2544264683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721661 + ... + 725177.

It is an arithmetic number, because the mean of its divisors is an integer number (168695136).

Almost surely, 2^2544264623 is an apocalyptic number.

2544264623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2544264623 is a deficient number, since it is larger than the sum of its proper divisors (154857553).

2544264623 is a wasteful number, since it uses less digits than its factorization.

2544264623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054.

The product of its digits is 276480, while the sum is 38.

The square root of 2544264623 is about 50440.7040295831. The cubic root of 2544264623 is about 1365.1721704049.

The spelling of 2544264623 in words is "two billion, five hundred forty-four million, two hundred sixty-four thousand, six hundred twenty-three".