42413039753281 has 2 divisors, whose sum is σ = 42413039753282. Its totient is φ = 42413039753280.

The previous prime is 42413039753269. The next prime is 42413039753393. The reversal of 42413039753281 is 18235793031424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39093556170256 + 3319483583025 = 6252484^2 + 1821945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42413039753281 is a prime.

It is a super-2 number, since 2×42413039753281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42413039753221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21206519876640 + 21206519876641.

It is an arithmetic number, because the mean of its divisors is an integer number (21206519876641).

Almost surely, 2^{42413039753281} is an apocalyptic number.

It is an amenable number.

42413039753281 is a deficient number, since it is larger than the sum of its proper divisors (1).

42413039753281 is an equidigital number, since it uses as much as digits as its factorization.

42413039753281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 42413039753281 in words is "forty-two trillion, four hundred thirteen billion, thirty-nine million, seven hundred fifty-three thousand, two hundred eighty-one".