42363015281 has 2 divisors, whose sum is σ = 42363015282. Its totient is φ = 42363015280.

The previous prime is 42363015151. The next prime is 42363015293. The reversal of 42363015281 is 18251036324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30744115600 + 11618899681 = 175340^2 + 107791^2 .

It is a cyclic number.

It is not a de Polignac number, because 42363015281 - 2¹⁴ = 42362998897 is a prime.

It is a super-2 number, since 2×42363015281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42363015781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21181507640 + 21181507641.

It is an arithmetic number, because the mean of its divisors is an integer number (21181507641).

Almost surely, 2^42363015281 is an apocalyptic number.

It is an amenable number.

42363015281 is a deficient number, since it is larger than the sum of its proper divisors (1).

42363015281 is an equidigital number, since it uses as much as digits as its factorization.

42363015281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 42363015281 in words is "forty-two billion, three hundred sixty-three million, fifteen thousand, two hundred eighty-one".