670407369691 has 2 divisors, whose sum is σ = 670407369692. Its totient is φ = 670407369690.

The previous prime is 670407369677. The next prime is 670407369763. The reversal of 670407369691 is 196963704076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670407369691 - 2⁷ = 670407369563 is a prime.

It is not a weakly prime, because it can be changed into another prime (670407369991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335203684845 + 335203684846.

It is an arithmetic number, because the mean of its divisors is an integer number (335203684846).

Almost surely, 2^670407369691 is an apocalyptic number.

670407369691 is a deficient number, since it is larger than the sum of its proper divisors (1).

670407369691 is an equidigital number, since it uses as much as digits as its factorization.

670407369691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 670407369691 in words is "six hundred seventy billion, four hundred seven million, three hundred sixty-nine thousand, six hundred ninety-one".