397440143483 has 2 divisors, whose sum is σ = 397440143484. Its totient is φ = 397440143482.

The previous prime is 397440143461. The next prime is 397440143557. The reversal of 397440143483 is 384341044793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397440143483 - 2⁸ = 397440143227 is a prime.

It is not a weakly prime, because it can be changed into another prime (397440143423) 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, 198720071741 + 198720071742.

It is an arithmetic number, because the mean of its divisors is an integer number (198720071742).

Almost surely, 2^397440143483 is an apocalyptic number.

397440143483 is a deficient number, since it is larger than the sum of its proper divisors (1).

397440143483 is an equidigital number, since it uses as much as digits as its factorization.

397440143483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 50.

The spelling of 397440143483 in words is "three hundred ninety-seven billion, four hundred forty million, one hundred forty-three thousand, four hundred eighty-three".