647054726211 has 12 divisors (see below), whose sum is σ = 940368561288. Its totient is φ = 428723375904.

The previous prime is 647054726207. The next prime is 647054726243. The reversal of 647054726211 is 112627450746.

647054726211 is a `hidden beast` number, since 6 + 4 + 70 + 547 + 26 + 2 + 11 = 666.

It is not a de Polignac number, because 647054726211 - 2² = 647054726207 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (647054726261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220535250 + ... + 220538183.

It is an arithmetic number, because the mean of its divisors is an integer number (78364046774).

Almost surely, 2^647054726211 is an apocalyptic number.

647054726211 is a deficient number, since it is larger than the sum of its proper divisors (293313835077).

647054726211 is a wasteful number, since it uses less digits than its factorization.

647054726211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441073602 (or 441073599 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 647054726211 in words is "six hundred forty-seven billion, fifty-four million, seven hundred twenty-six thousand, two hundred eleven".