4556720001647 has 4 divisors (see below), whose sum is σ = 4970967274536. Its totient is φ = 4142472728760.

The previous prime is 4556720001503. The next prime is 4556720001661. The reversal of 4556720001647 is 7461000276554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4556720001647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4556720001677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207123636428 + ... + 207123636449.

It is an arithmetic number, because the mean of its divisors is an integer number (1242741818634).

Almost surely, 2^{4556720001647} is an apocalyptic number.

4556720001647 is a deficient number, since it is larger than the sum of its proper divisors (414247272889).

4556720001647 is a wasteful number, since it uses less digits than its factorization.

4556720001647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414247272888.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 4556720001647 in words is "four trillion, five hundred fifty-six billion, seven hundred twenty million, one thousand, six hundred forty-seven".