396327036121 has 2 divisors, whose sum is σ = 396327036122. Its totient is φ = 396327036120.

The previous prime is 396327036107. The next prime is 396327036151. The reversal of 396327036121 is 121630723693.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274512075721 + 121814960400 = 523939^2 + 349020^2 .

It is a cyclic number.

It is not a de Polignac number, because 396327036121 - 2⁵ = 396327036089 is a prime.

It is not a weakly prime, because it can be changed into another prime (396327036151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198163518060 + 198163518061.

It is an arithmetic number, because the mean of its divisors is an integer number (198163518061).

Almost surely, 2^396327036121 is an apocalyptic number.

It is an amenable number.

396327036121 is a deficient number, since it is larger than the sum of its proper divisors (1).

396327036121 is an equidigital number, since it uses as much as digits as its factorization.

396327036121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 396327036121 in words is "three hundred ninety-six billion, three hundred twenty-seven million, thirty-six thousand, one hundred twenty-one".