4242345350621 has 4 divisors (see below), whose sum is σ = 4848394686432. Its totient is φ = 3636296014812.

The previous prime is 4242345350611. The next prime is 4242345350629. The reversal of 4242345350621 is 1260535432424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4242345350621 - 2²⁶ = 4242278241757 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 (4242345350629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303024667895 + ... + 303024667908.

It is an arithmetic number, because the mean of its divisors is an integer number (1212098671608).

Almost surely, 2^{4242345350621} is an apocalyptic number.

It is an amenable number.

4242345350621 is a deficient number, since it is larger than the sum of its proper divisors (606049335811).

4242345350621 is an equidigital number, since it uses as much as digits as its factorization.

4242345350621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606049335810.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 4242345350621 in words is "four trillion, two hundred forty-two billion, three hundred forty-five million, three hundred fifty thousand, six hundred twenty-one".