2647213617 has 8 divisors (see below), whose sum is σ = 3582299296. Its totient is φ = 1738468512.

The previous prime is 2647213603. The next prime is 2647213643. The reversal of 2647213617 is 7163127462.

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

It is not a de Polignac number, because 2647213617 - 2⁶ = 2647213553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2647213697) 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, 6584908 + ... + 6585309.

It is an arithmetic number, because the mean of its divisors is an integer number (447787412).

Almost surely, 2^2647213617 is an apocalyptic number.

It is an amenable number.

2647213617 is a deficient number, since it is larger than the sum of its proper divisors (935085679).

2647213617 is a wasteful number, since it uses less digits than its factorization.

2647213617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13170287.

The product of its digits is 84672, while the sum is 39.

The square root of 2647213617 is about 51451.0798428954. The cubic root of 2647213617 is about 1383.3423180268.

The spelling of 2647213617 in words is "two billion, six hundred forty-seven million, two hundred thirteen thousand, six hundred seventeen".