4938643957636 has 27 divisors (see below), whose sum is σ = 9034917998743. Its totient is φ = 2361911262920.

The previous prime is 4938643957633. The next prime is 4938643957693. The reversal of 4938643957636 is 6367593468394.

The square root of 4938643957636 is 2222306.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4938643957633) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 102201921 + ... + 102250231.

Almost surely, 2^{4938643957636} is an apocalyptic number.

4938643957636 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4938643957636 is the 2222306-th square number.

It is an amenable number.

4938643957636 is a deficient number, since it is larger than the sum of its proper divisors (4096274041107).

4938643957636 is an frugal number, since it uses more digits than its factorization.

4938643957636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96672 (or 48336 counting only the distinct ones).

The product of its digits is 2116316160, while the sum is 73.

The spelling of 4938643957636 in words is "four trillion, nine hundred thirty-eight billion, six hundred forty-three million, nine hundred fifty-seven thousand, six hundred thirty-six".