670992269 has 2 divisors, whose sum is σ = 670992270. Its totient is φ = 670992268.

The previous prime is 670992247. The next prime is 670992323. The reversal of 670992269 is 962299076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 570732100 + 100260169 = 23890^2 + 10013^2 .

It is a cyclic number.

It is not a de Polignac number, because 670992269 - 2¹⁶ = 670926733 is a prime.

It is a super-2 number, since 2×670992269² = 900461250115536722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670997269) 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, 335496134 + 335496135.

It is an arithmetic number, because the mean of its divisors is an integer number (335496135).

Almost surely, 2^670992269 is an apocalyptic number.

It is an amenable number.

670992269 is a deficient number, since it is larger than the sum of its proper divisors (1).

670992269 is an equidigital number, since it uses as much as digits as its factorization.

670992269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 670992269 is about 25903.5184675750. The cubic root of 670992269 is about 875.4657738960.

The spelling of 670992269 in words is "six hundred seventy million, nine hundred ninety-two thousand, two hundred sixty-nine".