670464019 has 2 divisors, whose sum is σ = 670464020. Its totient is φ = 670464018.

The previous prime is 670463953. The next prime is 670464029. The reversal of 670464019 is 910464076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670464019 - 2⁷ = 670463891 is a prime.

It is a super-2 number, since 2×670464019² = 899044001547264722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (670464029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335232009 + 335232010.

It is an arithmetic number, because the mean of its divisors is an integer number (335232010).

Almost surely, 2^670464019 is an apocalyptic number.

670464019 is a deficient number, since it is larger than the sum of its proper divisors (1).

670464019 is an equidigital number, since it uses as much as digits as its factorization.

670464019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 670464019 is about 25893.3199686715. The cubic root of 670464019 is about 875.2359718399.

The spelling of 670464019 in words is "six hundred seventy million, four hundred sixty-four thousand, nineteen".