4571322647557 has 16 divisors (see below), whose sum is σ = 4758770580480. Its totient is φ = 4385911633600.

The previous prime is 4571322647533. The next prime is 4571322647579. The reversal of 4571322647557 is 7557462231754.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4571322647557 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 (4571322647057) 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, 4773678 + ... + 5650720.

It is an arithmetic number, because the mean of its divisors is an integer number (297423161280).

Almost surely, 2^{4571322647557} is an apocalyptic number.

It is an amenable number.

4571322647557 is a deficient number, since it is larger than the sum of its proper divisors (187447932923).

4571322647557 is a wasteful number, since it uses less digits than its factorization.

4571322647557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878204.

The product of its digits is 49392000, while the sum is 58.

The spelling of 4571322647557 in words is "four trillion, five hundred seventy-one billion, three hundred twenty-two million, six hundred forty-seven thousand, five hundred fifty-seven".