320198346541 has 2 divisors, whose sum is σ = 320198346542. Its totient is φ = 320198346540.

The previous prime is 320198346539. The next prime is 320198346593. The reversal of 320198346541 is 145643891023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318536072100 + 1662274441 = 564390^2 + 40771^2 .

It is a cyclic number.

It is not a de Polignac number, because 320198346541 - 2¹ = 320198346539 is a prime.

It is a super-2 number, since 2×320198346541² (a number of 24 digits) contains 22 as substring.

Together with 320198346539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 320198346491 and 320198346500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320198343541) 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, 160099173270 + 160099173271.

It is an arithmetic number, because the mean of its divisors is an integer number (160099173271).

Almost surely, 2^320198346541 is an apocalyptic number.

It is an amenable number.

320198346541 is a deficient number, since it is larger than the sum of its proper divisors (1).

320198346541 is an equidigital number, since it uses as much as digits as its factorization.

320198346541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 320198346541 in words is "three hundred twenty billion, one hundred ninety-eight million, three hundred forty-six thousand, five hundred forty-one".