654531646135456 has 12 divisors (see below), whose sum is σ = 1288609178329242. Its totient is φ = 327265823067712.

The previous prime is 654531646135369. The next prime is 654531646135529.

654531646135456 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 652893461168400 + 1638184967056 = 25551780^2 + 1279916^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10227056970835 + ... + 10227056970898.

Almost surely, 2^{654531646135456} is an apocalyptic number.

It is an amenable number.

654531646135456 is a deficient number, since it is larger than the sum of its proper divisors (634077532193786).

654531646135456 is a wasteful number, since it uses less digits than its factorization.

654531646135456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20454113941743 (or 20454113941735 counting only the distinct ones).

The product of its digits is 466560000, while the sum is 64.

The spelling of 654531646135456 in words is "six hundred fifty-four trillion, five hundred thirty-one billion, six hundred forty-six million, one hundred thirty-five thousand, four hundred fifty-six".