645430310341 has 2 divisors, whose sum is σ = 645430310342. Its totient is φ = 645430310340.

The previous prime is 645430310333. The next prime is 645430310363. The reversal of 645430310341 is 143013034546.

645430310341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504212186241 + 141218124100 = 710079^2 + 375790^2 .

It is a cyclic number.

It is not a de Polignac number, because 645430310341 - 2³ = 645430310333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 645430310297 and 645430310306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (645430310141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322715155170 + 322715155171.

It is an arithmetic number, because the mean of its divisors is an integer number (322715155171).

Almost surely, 2^645430310341 is an apocalyptic number.

It is an amenable number.

645430310341 is a deficient number, since it is larger than the sum of its proper divisors (1).

645430310341 is an equidigital number, since it uses as much as digits as its factorization.

645430310341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 645430310341 its reverse (143013034546), we get a palindrome (788443344887).

The spelling of 645430310341 in words is "six hundred forty-five billion, four hundred thirty million, three hundred ten thousand, three hundred forty-one".