670220039 has 2 divisors, whose sum is σ = 670220040. Its totient is φ = 670220038.

The previous prime is 670220011. The next prime is 670220101. The reversal of 670220039 is 930022076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670220039 - 2¹² = 670215943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670219993 and 670220020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670270039) 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, 335110019 + 335110020.

It is an arithmetic number, because the mean of its divisors is an integer number (335110020).

Almost surely, 2^670220039 is an apocalyptic number.

670220039 is a deficient number, since it is larger than the sum of its proper divisors (1).

670220039 is an equidigital number, since it uses as much as digits as its factorization.

670220039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 670220039 is about 25888.6082862714. The cubic root of 670220039 is about 875.1297936440.

The spelling of 670220039 in words is "six hundred seventy million, two hundred twenty thousand, thirty-nine".