396273769009 has 2 divisors, whose sum is σ = 396273769010. Its totient is φ = 396273769008.

The previous prime is 396273769007. The next prime is 396273769037. The reversal of 396273769009 is 900967372693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221231944609 + 175041824400 = 470353^2 + 418380^2 .

It is an emirp because it is prime and its reverse (900967372693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396273769009 - 2¹ = 396273769007 is a prime.

Together with 396273769007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (396273769007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198136884504 + 198136884505.

It is an arithmetic number, because the mean of its divisors is an integer number (198136884505).

Almost surely, 2^396273769009 is an apocalyptic number.

It is an amenable number.

396273769009 is a deficient number, since it is larger than the sum of its proper divisors (1).

396273769009 is an equidigital number, since it uses as much as digits as its factorization.

396273769009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23147208, while the sum is 61.

The spelling of 396273769009 in words is "three hundred ninety-six billion, two hundred seventy-three million, seven hundred sixty-nine thousand, nine".