670637430427 has 8 divisors (see below), whose sum is σ = 703421468064. Its totient is φ = 638155550208.

The previous prime is 670637430413. The next prime is 670637430433. The reversal of 670637430427 is 724034736076.

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 670637430427 - 2¹¹ = 670637428379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670637434427) 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 7 ways as a sum of consecutive naturals, for example, 75534808 + ... + 75543685.

It is an arithmetic number, because the mean of its divisors is an integer number (87927683508).

Almost surely, 2^670637430427 is an apocalyptic number.

670637430427 is a deficient number, since it is larger than the sum of its proper divisors (32784037637).

670637430427 is a wasteful number, since it uses less digits than its factorization.

670637430427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151078709.

The product of its (nonzero) digits is 3556224, while the sum is 49.

The spelling of 670637430427 in words is "six hundred seventy billion, six hundred thirty-seven million, four hundred thirty thousand, four hundred twenty-seven".