670185724057 has 2 divisors, whose sum is σ = 670185724058. Its totient is φ = 670185724056.

The previous prime is 670185724051. The next prime is 670185724081. The reversal of 670185724057 is 750427581076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 666874757376 + 3310966681 = 816624^2 + 57541^2 .

It is a cyclic number.

It is not a de Polignac number, because 670185724057 - 2⁷ = 670185723929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670185723995 and 670185724013.

It is not a weakly prime, because it can be changed into another prime (670185724051) 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, 335092862028 + 335092862029.

It is an arithmetic number, because the mean of its divisors is an integer number (335092862029).

Almost surely, 2^670185724057 is an apocalyptic number.

It is an amenable number.

670185724057 is a deficient number, since it is larger than the sum of its proper divisors (1).

670185724057 is an equidigital number, since it uses as much as digits as its factorization.

670185724057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 670185724057 in words is "six hundred seventy billion, one hundred eighty-five million, seven hundred twenty-four thousand, fifty-seven".