320928411641 has 2 divisors, whose sum is σ = 320928411642. Its totient is φ = 320928411640.

The previous prime is 320928411611. The next prime is 320928411659. The reversal of 320928411641 is 146114829023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195183705616 + 125744706025 = 441796^2 + 354605^2 .

It is an emirp because it is prime and its reverse (146114829023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320928411641 - 2¹⁴ = 320928395257 is a prime.

It is not a weakly prime, because it can be changed into another prime (320928411611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160464205820 + 160464205821.

It is an arithmetic number, because the mean of its divisors is an integer number (160464205821).

Almost surely, 2^320928411641 is an apocalyptic number.

It is an amenable number.

320928411641 is a deficient number, since it is larger than the sum of its proper divisors (1).

320928411641 is an equidigital number, since it uses as much as digits as its factorization.

320928411641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 320928411641 in words is "three hundred twenty billion, nine hundred twenty-eight million, four hundred eleven thousand, six hundred forty-one".