647373020413 has 8 divisors (see below), whose sum is σ = 739859974400. Its totient is φ = 554887339920.

The previous prime is 647373020407. The next prime is 647373020417. The reversal of 647373020413 is 314020373746.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-647373020413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647373020417) 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, 1362748 + ... + 1775338.

It is an arithmetic number, because the mean of its divisors is an integer number (92482496800).

Almost surely, 2^647373020413 is an apocalyptic number.

It is an amenable number.

647373020413 is a deficient number, since it is larger than the sum of its proper divisors (92486953987).

647373020413 is a wasteful number, since it uses less digits than its factorization.

647373020413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636747.

The product of its (nonzero) digits is 254016, while the sum is 40.

The spelling of 647373020413 in words is "six hundred forty-seven billion, three hundred seventy-three million, twenty thousand, four hundred thirteen".