654344642004652 has 36 divisors (see below), whose sum is σ = 1188768023571856. Its totient is φ = 315140182378560.

The previous prime is 654344642004649. The next prime is 654344642004659. The reversal of 654344642004652 is 256400246443456.

It is a super-2 number, since 2×654344642004652² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 654344642004593 and 654344642004602.

It is not an unprimeable number, because it can be changed into a prime (654344642004659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229597848 + ... + 232430335.

Almost surely, 2^{654344642004652} is an apocalyptic number.

It is an amenable number.

654344642004652 is a deficient number, since it is larger than the sum of its proper divisors (534423381567204).

654344642004652 is a wasteful number, since it uses less digits than its factorization.

654344642004652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462028666 (or 462028635 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 55.

The spelling of 654344642004652 in words is "six hundred fifty-four trillion, three hundred forty-four billion, six hundred forty-two million, four thousand, six hundred fifty-two".