670439461 has 2 divisors, whose sum is σ = 670439462. Its totient is φ = 670439460.

The previous prime is 670439437. The next prime is 670439521. The reversal of 670439461 is 164934076.

670439461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660798436 + 9641025 = 25706^2 + 3105^2 .

It is a cyclic number.

It is not a de Polignac number, because 670439461 - 2⁷ = 670439333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670439401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335219730 + 335219731.

It is an arithmetic number, because the mean of its divisors is an integer number (335219731).

Almost surely, 2^670439461 is an apocalyptic number.

It is an amenable number.

670439461 is a deficient number, since it is larger than the sum of its proper divisors (1).

670439461 is an equidigital number, since it uses as much as digits as its factorization.

670439461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 670439461 is about 25892.8457493571. The cubic root of 670439461 is about 875.2252855556.

The spelling of 670439461 in words is "six hundred seventy million, four hundred thirty-nine thousand, four hundred sixty-one".