396933756937 has 2 divisors, whose sum is σ = 396933756938. Its totient is φ = 396933756936.

The previous prime is 396933756889. The next prime is 396933756953. The reversal of 396933756937 is 739657339693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270895266576 + 126038490361 = 520476^2 + 355019^2 .

It is an emirp because it is prime and its reverse (739657339693) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396933756937 is a prime.

It is a super-2 number, since 2×396933756937² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (396933756437) 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, 198466878468 + 198466878469.

It is an arithmetic number, because the mean of its divisors is an integer number (198466878469).

Almost surely, 2^396933756937 is an apocalyptic number.

It is an amenable number.

396933756937 is a deficient number, since it is larger than the sum of its proper divisors (1).

396933756937 is an equidigital number, since it uses as much as digits as its factorization.

396933756937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 520812180, while the sum is 70.

The spelling of 396933756937 in words is "three hundred ninety-six billion, nine hundred thirty-three million, seven hundred fifty-six thousand, nine hundred thirty-seven".