544219423487 has 32 divisors (see below), whose sum is σ = 559886048640. Its totient is φ = 528874536960.

The previous prime is 544219423483. The next prime is 544219423499. The reversal of 544219423487 is 784324912445.

It is a happy number.

It is not a de Polignac number, because 544219423487 - 2² = 544219423483 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 (544219423483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661262558 + ... + 661263380.

It is an arithmetic number, because the mean of its divisors is an integer number (17496439020).

Almost surely, 2^544219423487 is an apocalyptic number.

544219423487 is a deficient number, since it is larger than the sum of its proper divisors (15666625153).

544219423487 is a wasteful number, since it uses less digits than its factorization.

544219423487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523.

The product of its digits is 7741440, while the sum is 53.

The spelling of 544219423487 in words is "five hundred forty-four billion, two hundred nineteen million, four hundred twenty-three thousand, four hundred eighty-seven".