670816093 has 2 divisors, whose sum is σ = 670816094. Its totient is φ = 670816092.

The previous prime is 670816057. The next prime is 670816117. The reversal of 670816093 is 390618076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664969369 + 5846724 = 25787^2 + 2418^2 .

It is a cyclic number.

It is not a de Polignac number, because 670816093 - 2¹⁷ = 670685021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670846093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335408046 + 335408047.

It is an arithmetic number, because the mean of its divisors is an integer number (335408047).

Almost surely, 2^670816093 is an apocalyptic number.

It is an amenable number.

670816093 is a deficient number, since it is larger than the sum of its proper divisors (1).

670816093 is an equidigital number, since it uses as much as digits as its factorization.

670816093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 670816093 is about 25900.1176252155. The cubic root of 670816093 is about 875.3891463073.

It can be divided in two parts, 6708 and 16093, that added together give a square (22801 = 151²).

The spelling of 670816093 in words is "six hundred seventy million, eight hundred sixteen thousand, ninety-three".