396285697237 has 2 divisors, whose sum is σ = 396285697238. Its totient is φ = 396285697236.

The previous prime is 396285697207. The next prime is 396285697289. The reversal of 396285697237 is 732796582693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392025002161 + 4260695076 = 626119^2 + 65274^2 .

It is a cyclic number.

It is not a de Polignac number, because 396285697237 - 2⁷ = 396285697109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396285697207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198142848618 + 198142848619.

It is an arithmetic number, because the mean of its divisors is an integer number (198142848619).

Almost surely, 2^396285697237 is an apocalyptic number.

It is an amenable number.

396285697237 is a deficient number, since it is larger than the sum of its proper divisors (1).

396285697237 is an equidigital number, since it uses as much as digits as its factorization.

396285697237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 205752960, while the sum is 67.

The spelling of 396285697237 in words is "three hundred ninety-six billion, two hundred eighty-five million, six hundred ninety-seven thousand, two hundred thirty-seven".