670670220509 has 8 divisors (see below), whose sum is σ = 672218756352. Its totient is φ = 669121841440.

The previous prime is 670670220499. The next prime is 670670220529. The reversal of 670670220509 is 905022076076.

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 670670220509 - 2³² = 666375253213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 670670220509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670670220529) 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, 16264532 + ... + 16305714.

It is an arithmetic number, because the mean of its divisors is an integer number (84027344544).

Almost surely, 2^670670220509 is an apocalyptic number.

It is an amenable number.

670670220509 is a deficient number, since it is larger than the sum of its proper divisors (1548535843).

670670220509 is a wasteful number, since it uses less digits than its factorization.

670670220509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78387.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 670670220509 in words is "six hundred seventy billion, six hundred seventy million, two hundred twenty thousand, five hundred nine".