42526216422139 has 2 divisors, whose sum is σ = 42526216422140. Its totient is φ = 42526216422138.

The previous prime is 42526216422127. The next prime is 42526216422149. The reversal of 42526216422139 is 93122461262524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42526216422139 - 2⁹ = 42526216421627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42526216422092 and 42526216422101.

It is not a weakly prime, because it can be changed into another prime (42526216422149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21263108211069 + 21263108211070.

It is an arithmetic number, because the mean of its divisors is an integer number (21263108211070).

Almost surely, 2^{42526216422139} is an apocalyptic number.

42526216422139 is a deficient number, since it is larger than the sum of its proper divisors (1).

42526216422139 is an equidigital number, since it uses as much as digits as its factorization.

42526216422139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 49.

The spelling of 42526216422139 in words is "forty-two trillion, five hundred twenty-six billion, two hundred sixteen million, four hundred twenty-two thousand, one hundred thirty-nine".