396785714641 has 2 divisors, whose sum is σ = 396785714642. Its totient is φ = 396785714640.

The previous prime is 396785714603. The next prime is 396785714659. The reversal of 396785714641 is 146417587693.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298202274241 + 98583440400 = 546079^2 + 313980^2 .

It is a cyclic number.

It is not a de Polignac number, because 396785714641 - 2⁷ = 396785714513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396785714641.

It is not a weakly prime, because it can be changed into another prime (396785714681) 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, 198392857320 + 198392857321.

It is an arithmetic number, because the mean of its divisors is an integer number (198392857321).

Almost surely, 2^396785714641 is an apocalyptic number.

It is an amenable number.

396785714641 is a deficient number, since it is larger than the sum of its proper divisors (1).

396785714641 is an equidigital number, since it uses as much as digits as its factorization.

396785714641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 61.

The spelling of 396785714641 in words is "three hundred ninety-six billion, seven hundred eighty-five million, seven hundred fourteen thousand, six hundred forty-one".