670265091317 has 2 divisors, whose sum is σ = 670265091318. Its totient is φ = 670265091316.

The previous prime is 670265091229. The next prime is 670265091319. The reversal of 670265091317 is 713190562076.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 607166665681 + 63098425636 = 779209^2 + 251194^2 .

It is a cyclic number.

It is not a de Polignac number, because 670265091317 - 2²⁴ = 670248314101 is a prime.

Together with 670265091319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670265091319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335132545658 + 335132545659.

It is an arithmetic number, because the mean of its divisors is an integer number (335132545659).

Almost surely, 2^670265091317 is an apocalyptic number.

It is an amenable number.

670265091317 is a deficient number, since it is larger than the sum of its proper divisors (1).

670265091317 is an equidigital number, since it uses as much as digits as its factorization.

670265091317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 670265091317 in words is "six hundred seventy billion, two hundred sixty-five million, ninety-one thousand, three hundred seventeen".