320976993433 has 2 divisors, whose sum is σ = 320976993434. Its totient is φ = 320976993432.

The previous prime is 320976993383. The next prime is 320976993457. The reversal of 320976993433 is 334399679023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317957271129 + 3019722304 = 563877^2 + 54952^2 .

It is a cyclic number.

It is not a de Polignac number, because 320976993433 - 2²⁹ = 320440122521 is a prime.

It is not a weakly prime, because it can be changed into another prime (320976999433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160488496716 + 160488496717.

It is an arithmetic number, because the mean of its divisors is an integer number (160488496717).

Almost surely, 2^320976993433 is an apocalyptic number.

It is an amenable number.

320976993433 is a deficient number, since it is larger than the sum of its proper divisors (1).

320976993433 is an equidigital number, since it uses as much as digits as its factorization.

320976993433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19840464, while the sum is 58.

The spelling of 320976993433 in words is "three hundred twenty billion, nine hundred seventy-six million, nine hundred ninety-three thousand, four hundred thirty-three".