670000999999 has 4 divisors (see below), whose sum is σ = 670002671520. Its totient is φ = 669999328480.

The previous prime is 670000999979. The next prime is 670001000041. The reversal of 670000999999 is 999999000076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670000999999 - 2³⁵ = 635641261631 is a prime.

It is a Duffinian number.

670000999999 is a modest number, since divided by 999999 gives 670000 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670000999949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164679 + ... + 1169239.

It is an arithmetic number, because the mean of its divisors is an integer number (167500667880).

Almost surely, 2^670000999999 is an apocalyptic number.

670000999999 is a deficient number, since it is larger than the sum of its proper divisors (1671521).

670000999999 is a wasteful number, since it uses less digits than its factorization.

670000999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671520.

The product of its (nonzero) digits is 22320522, while the sum is 67.

The spelling of 670000999999 in words is "six hundred seventy billion, nine hundred ninety-nine thousand, nine hundred ninety-nine".