670121662183817 has 2 divisors, whose sum is σ = 670121662183818. Its totient is φ = 670121662183816.

The previous prime is 670121662183789. The next prime is 670121662183823. The reversal of 670121662183817 is 718381266121076.

670121662183817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513359768613136 + 156761893570681 = 22657444^2 + 12520459^2 .

It is a cyclic number.

It is not a de Polignac number, because 670121662183817 - 2³⁴ = 670104482314633 is a prime.

It is a super-2 number, since 2×670121662183817² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (670121662183867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335060831091908 + 335060831091909.

It is an arithmetic number, because the mean of its divisors is an integer number (335060831091909).

Almost surely, 2^{670121662183817} is an apocalyptic number.

It is an amenable number.

670121662183817 is a deficient number, since it is larger than the sum of its proper divisors (1).

670121662183817 is an equidigital number, since it uses as much as digits as its factorization.

670121662183817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 670121662183817 in words is "six hundred seventy trillion, one hundred twenty-one billion, six hundred sixty-two million, one hundred eighty-three thousand, eight hundred seventeen".