442242103130621 has 8 divisors (see below), whose sum is σ = 442407279482880. Its totient is φ = 442076928642288.

The previous prime is 442242103130617. The next prime is 442242103130657. The reversal of 442242103130621 is 126031301242244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442242103130621 - 2² = 442242103130617 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 (442242103130021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635672660 + ... + 636367986.

It is an arithmetic number, because the mean of its divisors is an integer number (55300909935360).

Almost surely, 2^{442242103130621} is an apocalyptic number.

It is an amenable number.

442242103130621 is a deficient number, since it is larger than the sum of its proper divisors (165176352259).

442242103130621 is a wasteful number, since it uses less digits than its factorization.

442242103130621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931963.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 442242103130621 its reverse (126031301242244), we get a palindrome (568273404372865).

The spelling of 442242103130621 in words is "four hundred forty-two trillion, two hundred forty-two billion, one hundred three million, one hundred thirty thousand, six hundred twenty-one".