42010522361 has 2 divisors, whose sum is σ = 42010522362. Its totient is φ = 42010522360.

The previous prime is 42010522331. The next prime is 42010522403. The reversal of 42010522361 is 16322501024.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42000403600 + 10118761 = 204940^2 + 3181^2 .

It is a cyclic number.

It is not a de Polignac number, because 42010522361 - 2²² = 42006328057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42010522361.

It is not a weakly prime, because it can be changed into another prime (42010522331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21005261180 + 21005261181.

It is an arithmetic number, because the mean of its divisors is an integer number (21005261181).

Almost surely, 2^42010522361 is an apocalyptic number.

It is an amenable number.

42010522361 is a deficient number, since it is larger than the sum of its proper divisors (1).

42010522361 is an equidigital number, since it uses as much as digits as its factorization.

42010522361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 42010522361 in words is "forty-two billion, ten million, five hundred twenty-two thousand, three hundred sixty-one".