670605571347 has 16 divisors (see below), whose sum is σ = 896289383808. Its totient is φ = 445996264320.

The previous prime is 670605571343. The next prime is 670605571373. The reversal of 670605571347 is 743175506076.

It is not a de Polignac number, because 670605571347 - 2² = 670605571343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 670605571347.

It is not an unprimeable number, because it can be changed into a prime (670605571343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20886168 + ... + 20918250.

It is an arithmetic number, because the mean of its divisors is an integer number (56018086488).

Almost surely, 2^670605571347 is an apocalyptic number.

670605571347 is a deficient number, since it is larger than the sum of its proper divisors (225683812461).

670605571347 is a wasteful number, since it uses less digits than its factorization.

670605571347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48610.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 670605571347 in words is "six hundred seventy billion, six hundred five million, five hundred seventy-one thousand, three hundred forty-seven".