397542828983 has 2 divisors, whose sum is σ = 397542828984. Its totient is φ = 397542828982.

The previous prime is 397542828973. The next prime is 397542828989. The reversal of 397542828983 is 389828245793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397542828983 - 2¹⁰ = 397542827959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397542828989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198771414491 + 198771414492.

It is an arithmetic number, because the mean of its divisors is an integer number (198771414492).

Almost surely, 2^397542828983 is an apocalyptic number.

397542828983 is a deficient number, since it is larger than the sum of its proper divisors (1).

397542828983 is an equidigital number, since it uses as much as digits as its factorization.

397542828983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209018880, while the sum is 68.

The spelling of 397542828983 in words is "three hundred ninety-seven billion, five hundred forty-two million, eight hundred twenty-eight thousand, nine hundred eighty-three".