670761023209 has 8 divisors (see below), whose sum is σ = 726734242080. Its totient is φ = 616622991936.

The previous prime is 670761023203. The next prime is 670761023281. The reversal of 670761023209 is 902320167076.

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 670761023209 - 2¹⁵ = 670760990441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670761023203) 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, 458796139 + ... + 458797600.

It is an arithmetic number, because the mean of its divisors is an integer number (90841780260).

Almost surely, 2^670761023209 is an apocalyptic number.

It is an amenable number.

670761023209 is a deficient number, since it is larger than the sum of its proper divisors (55973218871).

670761023209 is a wasteful number, since it uses less digits than its factorization.

670761023209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917593799.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 670761023209 in words is "six hundred seventy billion, seven hundred sixty-one million, twenty-three thousand, two hundred nine".