647064343460746 has 8 divisors (see below), whose sum is σ = 978005648895264. Its totient is φ = 321062460495660.

The previous prime is 647064343460729. The next prime is 647064343460749.

647064343460746 is nontrivially palindromic in base 10.

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

It is not an unprimeable number, because it can be changed into a prime (647064343460749) 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, 1234855617030 + ... + 1234855617553.

It is an arithmetic number, because the mean of its divisors is an integer number (122250706111908).

Almost surely, 2^{647064343460746} is an apocalyptic number.

647064343460746 is a deficient number, since it is larger than the sum of its proper divisors (330941305434518).

647064343460746 is a wasteful number, since it uses less digits than its factorization.

647064343460746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469711234716.

The product of its (nonzero) digits is 585252864, while the sum is 64.

The spelling of 647064343460746 in words is "six hundred forty-seven trillion, sixty-four billion, three hundred forty-three million, four hundred sixty thousand, seven hundred forty-six".