2643406333601 has 8 divisors (see below), whose sum is σ = 2883764268000. Its totient is φ = 2403056443840.

The previous prime is 2643406333543. The next prime is 2643406333613. The reversal of 2643406333601 is 1063336043462.

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

It is a cyclic number.

It is not a de Polignac number, because 2643406333601 - 2³⁸ = 2368528426657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2643406333901) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1313576 + ... + 2648073.

It is an arithmetic number, because the mean of its divisors is an integer number (360470533500).

Almost surely, 2^{2643406333601} is an apocalyptic number.

It is an amenable number.

2643406333601 is a deficient number, since it is larger than the sum of its proper divisors (240357934399).

2643406333601 is a wasteful number, since it uses less digits than its factorization.

2643406333601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022319.

The product of its (nonzero) digits is 559872, while the sum is 41.

The spelling of 2643406333601 in words is "two trillion, six hundred forty-three billion, four hundred six million, three hundred thirty-three thousand, six hundred one".