204560313614643 has 16 divisors (see below), whose sum is σ = 311711157762560. Its totient is φ = 116891531398656.

The previous prime is 204560313614639. The next prime is 204560313614711. The reversal of 204560313614643 is 346416313065402.

It is not a de Polignac number, because 204560313614643 - 2² = 204560313614639 is a prime.

It is a super-2 number, since 2×204560313614643² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204560313614592 and 204560313614601.

It is not an unprimeable number, because it can be changed into a prime (204560313614143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51856098 + ... + 55661256.

It is an arithmetic number, because the mean of its divisors is an integer number (19481947360160).

Almost surely, 2^{204560313614643} is an apocalyptic number.

204560313614643 is a deficient number, since it is larger than the sum of its proper divisors (107150844147917).

204560313614643 is a wasteful number, since it uses less digits than its factorization.

204560313614643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365106.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 204560313614643 in words is "two hundred four trillion, five hundred sixty billion, three hundred thirteen million, six hundred fourteen thousand, six hundred forty-three".