654882321549 has 8 divisors (see below), whose sum is σ = 901343410432. Its totient is φ = 422504723520.

The previous prime is 654882321529. The next prime is 654882321553. The reversal of 654882321549 is 945123288456.

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

It is not a de Polignac number, because 654882321549 - 2¹⁷ = 654882190477 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 (654882321529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3520872604 + ... + 3520872789.

It is an arithmetic number, because the mean of its divisors is an integer number (112667926304).

Almost surely, 2^654882321549 is an apocalyptic number.

It is an amenable number.

654882321549 is a deficient number, since it is larger than the sum of its proper divisors (246461088883).

654882321549 is a wasteful number, since it uses less digits than its factorization.

654882321549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7041745427.

The product of its digits is 16588800, while the sum is 57.

The spelling of 654882321549 in words is "six hundred fifty-four billion, eight hundred eighty-two million, three hundred twenty-one thousand, five hundred forty-nine".