642325105312 has 24 divisors (see below), whose sum is σ = 1379539147392. Its totient is φ = 291965956800.

The previous prime is 642325105309. The next prime is 642325105337. The reversal of 642325105312 is 213501523246.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912393264 + ... + 912393967.

It is an arithmetic number, because the mean of its divisors is an integer number (57480797808).

Almost surely, 2^642325105312 is an apocalyptic number.

It is an amenable number.

642325105312 is an abundant number, since it is smaller than the sum of its proper divisors (737214042080).

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

642325105312 is a wasteful number, since it uses less digits than its factorization.

642325105312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824787252 (or 1824787244 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 642325105312 its reverse (213501523246), we get a palindrome (855826628558).

The spelling of 642325105312 in words is "six hundred forty-two billion, three hundred twenty-five million, one hundred five thousand, three hundred twelve".