670146452869 has 2 divisors, whose sum is σ = 670146452870. Its totient is φ = 670146452868.

The previous prime is 670146452863. The next prime is 670146452881. The reversal of 670146452869 is 968254641076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618951960225 + 51194492644 = 786735^2 + 226262^2 .

It is a cyclic number.

It is not a de Polignac number, because 670146452869 - 2³ = 670146452861 is a prime.

It is a super-2 number, since 2×670146452869² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670146452861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335073226434 + 335073226435.

It is an arithmetic number, because the mean of its divisors is an integer number (335073226435).

Almost surely, 2^670146452869 is an apocalyptic number.

It is an amenable number.

670146452869 is a deficient number, since it is larger than the sum of its proper divisors (1).

670146452869 is an equidigital number, since it uses as much as digits as its factorization.

670146452869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 670146452869 in words is "six hundred seventy billion, one hundred forty-six million, four hundred fifty-two thousand, eight hundred sixty-nine".