642003241412 has 18 divisors (see below), whose sum is σ = 1216577149578. Its totient is φ = 296309188032.

The previous prime is 642003241387. The next prime is 642003241433. The reversal of 642003241412 is 214142300246.

It can be written as a sum of positive squares in 3 ways, for example, as 10906460356 + 631096781056 = 104434^2 + 794416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 474853793 + ... + 474855144.

It is an arithmetic number, because the mean of its divisors is an integer number (67587619421).

Almost surely, 2^642003241412 is an apocalyptic number.

It is an amenable number.

642003241412 is a deficient number, since it is larger than the sum of its proper divisors (574573908166).

642003241412 is a wasteful number, since it uses less digits than its factorization.

642003241412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949708967 (or 949708952 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 642003241412 its reverse (214142300246), we get a palindrome (856145541658).

The spelling of 642003241412 in words is "six hundred forty-two billion, three million, two hundred forty-one thousand, four hundred twelve".