642623224001602 has 8 divisors (see below), whose sum is σ = 966338663524812. Its totient is φ = 320510336160000.

The previous prime is 642623224001593. The next prime is 642623224001651. The reversal of 642623224001602 is 206100422326246.

It can be written as a sum of positive squares in 2 ways, for example, as 403515731465401 + 239107492536201 = 20087701^2 + 15463101^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400637919399 + ... + 400637921002.

Almost surely, 2^{642623224001602} is an apocalyptic number.

642623224001602 is a deficient number, since it is larger than the sum of its proper divisors (323715439523210).

642623224001602 is a wasteful number, since it uses less digits than its factorization.

642623224001602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801275840804.

The product of its (nonzero) digits is 331776, while the sum is 40.

Adding to 642623224001602 its reverse (206100422326246), we get a palindrome (848723646327848).

The spelling of 642623224001602 in words is "six hundred forty-two trillion, six hundred twenty-three billion, two hundred twenty-four million, one thousand, six hundred two".