647653012366 has 8 divisors (see below), whose sum is σ = 994072065624. Its totient is φ = 316295657160.

The previous prime is 647653012361. The next prime is 647653012373. The reversal of 647653012366 is 663210356746.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647653012361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3765424405 + ... + 3765424576.

It is an arithmetic number, because the mean of its divisors is an integer number (124259008203).

Almost surely, 2^647653012366 is an apocalyptic number.

647653012366 is a deficient number, since it is larger than the sum of its proper divisors (346419053258).

647653012366 is a wasteful number, since it uses less digits than its factorization.

647653012366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530849026.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 647653012366 in words is "six hundred forty-seven billion, six hundred fifty-three million, twelve thousand, three hundred sixty-six".