654389537604 has 96 divisors (see below), whose sum is σ = 1771273236096. Its totient is φ = 185834004480.

The previous prime is 654389537591. The next prime is 654389537617. The reversal of 654389537604 is 406735983456.

654389537604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (654389537591) and next prime (654389537617).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102937 + ... + 1148640.

It is an arithmetic number, because the mean of its divisors is an integer number (18450762876).

Almost surely, 2^654389537604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654389537604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885636618048).

654389537604 is an abundant number, since it is smaller than the sum of its proper divisors (1116883698492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654389537604 is a wasteful number, since it uses less digits than its factorization.

654389537604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251845 (or 1251843 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 60.

The spelling of 654389537604 in words is "six hundred fifty-four billion, three hundred eighty-nine million, five hundred thirty-seven thousand, six hundred four".