643036411436002 has 8 divisors (see below), whose sum is σ = 964922627317212. Its totient is φ = 321395535663600.

The previous prime is 643036411435987. The next prime is 643036411436033. The reversal of 643036411436002 is 200634114630346.

It can be written as a sum of positive squares in 2 ways, for example, as 590838950938041 + 52197460497961 = 24307179^2 + 7224781^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 643036411436002.

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, 61335020649 + ... + 61335031132.

Almost surely, 2^{643036411436002} is an apocalyptic number.

643036411436002 is a deficient number, since it is larger than the sum of its proper divisors (321886215881210).

643036411436002 is a wasteful number, since it uses less digits than its factorization.

643036411436002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122670054404.

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 643036411436002 in words is "six hundred forty-three trillion, thirty-six billion, four hundred eleven million, four hundred thirty-six thousand, two".