663338424089 has 16 divisors (see below), whose sum is σ = 727006632000. Its totient is φ = 600232489920.

The previous prime is 663338423893. The next prime is 663338424101. The reversal of 663338424089 is 980424833366.

It is a cyclic number.

It is not a de Polignac number, because 663338424089 - 2¹² = 663338419993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (663338420089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9383327 + ... + 9453755.

It is an arithmetic number, because the mean of its divisors is an integer number (45437914500).

Almost surely, 2^663338424089 is an apocalyptic number.

It is an amenable number.

663338424089 is a deficient number, since it is larger than the sum of its proper divisors (63668207911).

663338424089 is a wasteful number, since it uses less digits than its factorization.

663338424089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74408.

The product of its (nonzero) digits is 17915904, while the sum is 56.

The spelling of 663338424089 in words is "six hundred sixty-three billion, three hundred thirty-eight million, four hundred twenty-four thousand, eighty-nine".