68009083484644 has 27 divisors (see below), whose sum is σ = 120820728734307. Its totient is φ = 33496466982264.

The previous prime is 68009083484567. The next prime is 68009083484653. The reversal of 68009083484644 is 44648438090086.

The square root of 68009083484644 is 8246762.

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

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1105035337 + ... + 1105096879.

Almost surely, 2^{68009083484644} is an apocalyptic number.

68009083484644 is the 8246762-nd square number.

It is an amenable number.

68009083484644 is a deficient number, since it is larger than the sum of its proper divisors (52811645249663).

68009083484644 is an frugal number, since it uses more digits than its factorization.

68009083484644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123224 (or 61612 counting only the distinct ones).

The product of its (nonzero) digits is 127401984, while the sum is 64.

The spelling of 68009083484644 in words is "sixty-eight trillion, nine billion, eighty-three million, four hundred eighty-four thousand, six hundred forty-four".