396273769109 has 2 divisors, whose sum is σ = 396273769110. Its totient is φ = 396273769108.

The previous prime is 396273769069. The next prime is 396273769123. The reversal of 396273769109 is 901967372693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348259318225 + 48014450884 = 590135^2 + 219122^2 .

It is a cyclic number.

It is not a de Polignac number, because 396273769109 - 2⁸ = 396273768853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396273769009) 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, 198136884554 + 198136884555.

It is an arithmetic number, because the mean of its divisors is an integer number (198136884555).

Almost surely, 2^396273769109 is an apocalyptic number.

It is an amenable number.

396273769109 is a deficient number, since it is larger than the sum of its proper divisors (1).

396273769109 is an equidigital number, since it uses as much as digits as its factorization.

396273769109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23147208, while the sum is 62.

The spelling of 396273769109 in words is "three hundred ninety-six billion, two hundred seventy-three million, seven hundred sixty-nine thousand, one hundred nine".