397485996403 has 2 divisors, whose sum is σ = 397485996404. Its totient is φ = 397485996402.

The previous prime is 397485996311. The next prime is 397485996409. The reversal of 397485996403 is 304699584793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397485996403 - 2⁹ = 397485995891 is a prime.

It is not a weakly prime, because it can be changed into another prime (397485996409) 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, 198742998201 + 198742998202.

It is an arithmetic number, because the mean of its divisors is an integer number (198742998202).

Almost surely, 2^397485996403 is an apocalyptic number.

397485996403 is a deficient number, since it is larger than the sum of its proper divisors (1).

397485996403 is an equidigital number, since it uses as much as digits as its factorization.

397485996403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176359680, while the sum is 67.

The spelling of 397485996403 in words is "three hundred ninety-seven billion, four hundred eighty-five million, nine hundred ninety-six thousand, four hundred three".