4993998022657 has 20 divisors (see below), whose sum is σ = 5961472497200. Its totient is φ = 4181021513928.

The previous prime is 4993998022633. The next prime is 4993998022693. The reversal of 4993998022657 is 7562208993994.

It is not a de Polignac number, because 4993998022657 - 2⁷ = 4993998022529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4993998022657.

It is not an unprimeable number, because it can be changed into a prime (4993998022457) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24082407 + ... + 24288892.

It is an arithmetic number, because the mean of its divisors is an integer number (298073624860).

Almost surely, 2^{4993998022657} is an apocalyptic number.

It is an amenable number.

4993998022657 is a deficient number, since it is larger than the sum of its proper divisors (967474474543).

4993998022657 is an frugal number, since it uses more digits than its factorization.

4993998022657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48371370 (or 48371349 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 73.

The spelling of 4993998022657 in words is "four trillion, nine hundred ninety-three billion, nine hundred ninety-eight million, twenty-two thousand, six hundred fifty-seven".