63425144122242 has 128 divisors (see below), whose sum is σ = 154574239334400. Its totient is φ = 16945929000000.

The previous prime is 63425144122229. The next prime is 63425144122243. The reversal of 63425144122242 is 24222144152436.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 63425144122194 and 63425144122203.

It is not an unprimeable number, because it can be changed into a prime (63425144122243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 242644117 + ... + 242905367.

It is an arithmetic number, because the mean of its divisors is an integer number (1207611244800).

Almost surely, 2^{63425144122242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63425144122242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77287119667200).

63425144122242 is an abundant number, since it is smaller than the sum of its proper divisors (91149095212158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63425144122242 is a wasteful number, since it uses less digits than its factorization.

63425144122242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265212.

The product of its digits is 737280, while the sum is 42.

Adding to 63425144122242 its reverse (24222144152436), we get a palindrome (87647288274678).

The spelling of 63425144122242 in words is "sixty-three trillion, four hundred twenty-five billion, one hundred forty-four million, one hundred twenty-two thousand, two hundred forty-two".