670504510645 has 16 divisors (see below), whose sum is σ = 811653125760. Its totient is φ = 531724043584.

The previous prime is 670504510639. The next prime is 670504510657. The reversal of 670504510645 is 546015405076.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670504510645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897937 + ... + 1465366.

It is an arithmetic number, because the mean of its divisors is an integer number (50728320360).

Almost surely, 2^670504510645 is an apocalyptic number.

It is an amenable number.

670504510645 is a deficient number, since it is larger than the sum of its proper divisors (141148615115).

670504510645 is a wasteful number, since it uses less digits than its factorization.

670504510645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363804.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 670504510645 in words is "six hundred seventy billion, five hundred four million, five hundred ten thousand, six hundred forty-five".