2947308412817 has 4 divisors (see below), whose sum is σ = 2948147866176. Its totient is φ = 2946468959460.

The previous prime is 2947308412787. The next prime is 2947308412837. The reversal of 2947308412817 is 7182148037492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2947308412817 - 2¹⁶ = 2947308347281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2947308412837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419721413 + ... + 419728434.

It is an arithmetic number, because the mean of its divisors is an integer number (737036966544).

Almost surely, 2^{2947308412817} is an apocalyptic number.

It is an amenable number.

2947308412817 is a deficient number, since it is larger than the sum of its proper divisors (839453359).

2947308412817 is an equidigital number, since it uses as much as digits as its factorization.

2947308412817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839453358.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 2947308412817 in words is "two trillion, nine hundred forty-seven billion, three hundred eight million, four hundred twelve thousand, eight hundred seventeen".