654443383344456 has 64 divisors (see below), whose sum is σ = 1656555131649600. Its totient is φ = 215432676128000.

The previous prime is 654443383344391. The next prime is 654443383344529.

654443383344456 is nontrivially palindromic in base 10.

654443383344456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×654443383344456² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346081350 + ... + 347967221.

It is an arithmetic number, because the mean of its divisors is an integer number (25883673932025).

Almost surely, 2^{654443383344456} is an apocalyptic number.

It is an amenable number.

654443383344456 is an abundant number, since it is smaller than the sum of its proper divisors (1002111748305144).

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

654443383344456 is a wasteful number, since it uses less digits than its factorization.

654443383344456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694049070 (or 694049066 counting only the distinct ones).

The product of its digits is 2388787200, while the sum is 66.

The spelling of 654443383344456 in words is "six hundred fifty-four trillion, four hundred forty-three billion, three hundred eighty-three million, three hundred forty-four thousand, four hundred fifty-six".