647361420506 has 8 divisors (see below), whose sum is σ = 984718780704. Its totient is φ = 319121826940.

The previous prime is 647361420473. The next prime is 647361420593. The reversal of 647361420506 is 605024163746.

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

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, 2279441480 + ... + 2279441763.

It is an arithmetic number, because the mean of its divisors is an integer number (123089847588).

Almost surely, 2^647361420506 is an apocalyptic number.

647361420506 is a deficient number, since it is larger than the sum of its proper divisors (337357360198).

647361420506 is a wasteful number, since it uses less digits than its factorization.

647361420506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558883316.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 647361420506 in words is "six hundred forty-seven billion, three hundred sixty-one million, four hundred twenty thousand, five hundred six".