4942643604621 has 16 divisors (see below), whose sum is σ = 6922874044800. Its totient is φ = 3130677471680.

The previous prime is 4942643604617. The next prime is 4942643604637. The reversal of 4942643604621 is 1264063462494.

It is a cyclic number.

It is not a de Polignac number, because 4942643604621 - 2² = 4942643604617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4942643604641) 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, 240367290 + ... + 240387851.

It is an arithmetic number, because the mean of its divisors is an integer number (432679627800).

Almost surely, 2^{4942643604621} is an apocalyptic number.

It is an amenable number.

4942643604621 is a deficient number, since it is larger than the sum of its proper divisors (1980230440179).

4942643604621 is a wasteful number, since it uses less digits than its factorization.

4942643604621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480755316.

The product of its (nonzero) digits is 5971968, while the sum is 51.

The spelling of 4942643604621 in words is "four trillion, nine hundred forty-two billion, six hundred forty-three million, six hundred four thousand, six hundred twenty-one".