320237583641 has 2 divisors, whose sum is σ = 320237583642. Its totient is φ = 320237583640.

The previous prime is 320237583619. The next prime is 320237583661. The reversal of 320237583641 is 146385732023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292205113600 + 28032470041 = 540560^2 + 167429^2 .

It is a cyclic number.

It is not a de Polignac number, because 320237583641 - 2¹⁸ = 320237321497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320237583592 and 320237583601.

It is not a weakly prime, because it can be changed into another prime (320237583661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160118791820 + 160118791821.

It is an arithmetic number, because the mean of its divisors is an integer number (160118791821).

Almost surely, 2^320237583641 is an apocalyptic number.

It is an amenable number.

320237583641 is a deficient number, since it is larger than the sum of its proper divisors (1).

320237583641 is an equidigital number, since it uses as much as digits as its factorization.

320237583641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 320237583641 in words is "three hundred twenty billion, two hundred thirty-seven million, five hundred eighty-three thousand, six hundred forty-one".