647014715911 has 2 divisors, whose sum is σ = 647014715912. Its totient is φ = 647014715910.

The previous prime is 647014715849. The next prime is 647014715947. The reversal of 647014715911 is 119517410746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 647014715911 - 2⁷ = 647014715783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (647014715111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323507357955 + 323507357956.

It is an arithmetic number, because the mean of its divisors is an integer number (323507357956).

Almost surely, 2^647014715911 is an apocalyptic number.

647014715911 is a deficient number, since it is larger than the sum of its proper divisors (1).

647014715911 is an equidigital number, since it uses as much as digits as its factorization.

647014715911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 647014715911 in words is "six hundred forty-seven billion, fourteen million, seven hundred fifteen thousand, nine hundred eleven".