42526216422149 has 2 divisors, whose sum is σ = 42526216422150. Its totient is φ = 42526216422148.

The previous prime is 42526216422139. The next prime is 42526216422169. The reversal of 42526216422149 is 94122461262524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37033371105025 + 5492845317124 = 6085505^2 + 2343682^2 .

It is a cyclic number.

It is not a de Polignac number, because 42526216422149 - 2¹² = 42526216418053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42526216422097 and 42526216422106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42526216422139) 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, 21263108211074 + 21263108211075.

It is an arithmetic number, because the mean of its divisors is an integer number (21263108211075).

Almost surely, 2^{42526216422149} is an apocalyptic number.

It is an amenable number.

42526216422149 is a deficient number, since it is larger than the sum of its proper divisors (1).

42526216422149 is an equidigital number, since it uses as much as digits as its factorization.

42526216422149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3317760, while the sum is 50.

The spelling of 42526216422149 in words is "forty-two trillion, five hundred twenty-six billion, two hundred sixteen million, four hundred twenty-two thousand, one hundred forty-nine".