662212340729 has 16 divisors (see below), whose sum is σ = 728242056000. Its totient is φ = 599728651200.

The previous prime is 662212340639. The next prime is 662212340731. The reversal of 662212340729 is 927043212266.

It is a cyclic number.

It is not a de Polignac number, because 662212340729 - 2⁸ = 662212340473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 662212340729.

It is not an unprimeable number, because it can be changed into a prime (662212340749) 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, 5894039 + ... + 6005340.

It is an arithmetic number, because the mean of its divisors is an integer number (45515128500).

Almost surely, 2^662212340729 is an apocalyptic number.

It is an amenable number.

662212340729 is a deficient number, since it is larger than the sum of its proper divisors (66029715271).

662212340729 is a wasteful number, since it uses less digits than its factorization.

662212340729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11899528.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 662212340729 in words is "six hundred sixty-two billion, two hundred twelve million, three hundred forty thousand, seven hundred twenty-nine".