1647906229264 has 15 divisors (see below), whose sum is σ = 3192828267967. Its totient is φ = 823950547216.

The previous prime is 1647906229253. The next prime is 1647906229309. The reversal of 1647906229264 is 4629226097461.

The square root of 1647906229264 is 1283708.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1647906229199 and 1647906229208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4974369 + ... + 5295295.

Almost surely, 2^{1647906229264} is an apocalyptic number.

1647906229264 is the 1283708-th square number.

It is an amenable number.

1647906229264 is a deficient number, since it is larger than the sum of its proper divisors (1544922038703).

1647906229264 is an frugal number, since it uses more digits than its factorization.

1647906229264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641862 (or 320929 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 1647906229264 in words is "one trillion, six hundred forty-seven billion, nine hundred six million, two hundred twenty-nine thousand, two hundred sixty-four".