670627260421 has 8 divisors (see below), whose sum is σ = 678103208640. Its totient is φ = 663178350912.

The previous prime is 670627260397. The next prime is 670627260431. The reversal of 670627260421 is 124062726076.

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 670627260421 - 2³⁵ = 636267522053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670627260431) 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, 6709795 + ... + 6809008.

It is an arithmetic number, because the mean of its divisors is an integer number (84762901080).

Almost surely, 2^670627260421 is an apocalyptic number.

It is an amenable number.

670627260421 is a deficient number, since it is larger than the sum of its proper divisors (7475948219).

670627260421 is a wasteful number, since it uses less digits than its factorization.

670627260421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13519355.

The product of its (nonzero) digits is 338688, while the sum is 43.

Adding to 670627260421 its reverse (124062726076), we get a palindrome (794689986497).

The spelling of 670627260421 in words is "six hundred seventy billion, six hundred twenty-seven million, two hundred sixty thousand, four hundred twenty-one".