42417083321 has 2 divisors, whose sum is σ = 42417083322. Its totient is φ = 42417083320.

The previous prime is 42417083297. The next prime is 42417083327. The reversal of 42417083321 is 12338071424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42337177600 + 79905721 = 205760^2 + 8939^2 .

It is a cyclic number.

It is not a de Polignac number, because 42417083321 - 2¹⁸ = 42416821177 is a prime.

It is not a weakly prime, because it can be changed into another prime (42417083327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21208541660 + 21208541661.

It is an arithmetic number, because the mean of its divisors is an integer number (21208541661).

Almost surely, 2^42417083321 is an apocalyptic number.

It is an amenable number.

42417083321 is a deficient number, since it is larger than the sum of its proper divisors (1).

42417083321 is an equidigital number, since it uses as much as digits as its factorization.

42417083321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 42417083321 in words is "forty-two billion, four hundred seventeen million, eighty-three thousand, three hundred twenty-one".