610420730244421 has 2 divisors, whose sum is σ = 610420730244422. Its totient is φ = 610420730244420.

The previous prime is 610420730244361. The next prime is 610420730244427. The reversal of 610420730244421 is 124442037024016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 590095871188321 + 20324859056100 = 24291889^2 + 4508310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610420730244421 is a prime.

It is a super-2 number, since 2×610420730244421² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610420730244427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305210365122210 + 305210365122211.

It is an arithmetic number, because the mean of its divisors is an integer number (305210365122211).

Almost surely, 2^{610420730244421} is an apocalyptic number.

It is an amenable number.

610420730244421 is a deficient number, since it is larger than the sum of its proper divisors (1).

610420730244421 is an equidigital number, since it uses as much as digits as its factorization.

610420730244421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 40.

Adding to 610420730244421 its reverse (124442037024016), we get a palindrome (734862767268437).

The spelling of 610420730244421 in words is "six hundred ten trillion, four hundred twenty billion, seven hundred thirty million, two hundred forty-four thousand, four hundred twenty-one".