647216086913 has 8 divisors (see below), whose sum is σ = 706060037856. Its totient is φ = 588373156800.

The previous prime is 647216086883. The next prime is 647216086919. The reversal of 647216086913 is 319680612746.

647216086913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-647216086913 is a prime.

It is a super-3 number, since 3×647216086913³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (647216086919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767545 + ... + 2102057.

It is an arithmetic number, because the mean of its divisors is an integer number (88257504732).

Almost surely, 2^647216086913 is an apocalyptic number.

It is an amenable number.

647216086913 is a deficient number, since it is larger than the sum of its proper divisors (58843950943).

647216086913 is a wasteful number, since it uses less digits than its factorization.

647216086913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510415.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 647216086913 in words is "six hundred forty-seven billion, two hundred sixteen million, eighty-six thousand, nine hundred thirteen".