662045450809 has 8 divisors (see below), whose sum is σ = 701505116480. Its totient is φ = 623047302000.

The previous prime is 662045450749. The next prime is 662045450827. The reversal of 662045450809 is 908054540266.

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

It is a cyclic number.

It is not a de Polignac number, because 662045450809 - 2³¹ = 659897967161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (662045450909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115376262 + ... + 115381999.

It is an arithmetic number, because the mean of its divisors is an integer number (87688139560).

Almost surely, 2^662045450809 is an apocalyptic number.

It is an amenable number.

662045450809 is a deficient number, since it is larger than the sum of its proper divisors (39459665671).

662045450809 is a wasteful number, since it uses less digits than its factorization.

662045450809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230758431.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 662045450809 in words is "six hundred sixty-two billion, forty-five million, four hundred fifty thousand, eight hundred nine".