670340073691 has 2 divisors, whose sum is σ = 670340073692. Its totient is φ = 670340073690.

The previous prime is 670340073653. The next prime is 670340073701. The reversal of 670340073691 is 196370043076.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670340073691 is a prime.

It is not a weakly prime, because it can be changed into another prime (670340073631) 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 as a sum of consecutive naturals, namely, 335170036845 + 335170036846.

It is an arithmetic number, because the mean of its divisors is an integer number (335170036846).

Almost surely, 2^670340073691 is an apocalyptic number.

670340073691 is a deficient number, since it is larger than the sum of its proper divisors (1).

670340073691 is an equidigital number, since it uses as much as digits as its factorization.

670340073691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 46.

The spelling of 670340073691 in words is "six hundred seventy billion, three hundred forty million, seventy-three thousand, six hundred ninety-one".