396289176329 has 2 divisors, whose sum is σ = 396289176330. Its totient is φ = 396289176328.

The previous prime is 396289176277. The next prime is 396289176331. The reversal of 396289176329 is 923671982693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225294521104 + 170994655225 = 474652^2 + 413515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396289176329 is a prime.

It is a super-3 number, since 3×396289176329³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 396289176331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (396289175329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198144588164 + 198144588165.

It is an arithmetic number, because the mean of its divisors is an integer number (198144588165).

Almost surely, 2^396289176329 is an apocalyptic number.

It is an amenable number.

396289176329 is a deficient number, since it is larger than the sum of its proper divisors (1).

396289176329 is an equidigital number, since it uses as much as digits as its factorization.

396289176329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52907904, while the sum is 65.

The spelling of 396289176329 in words is "three hundred ninety-six billion, two hundred eighty-nine million, one hundred seventy-six thousand, three hundred twenty-nine".