42013424149 has 2 divisors, whose sum is σ = 42013424150. Its totient is φ = 42013424148.

The previous prime is 42013424143. The next prime is 42013424153. The reversal of 42013424149 is 94142431024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41998354225 + 15069924 = 204935^2 + 3882^2 .

It is a cyclic number.

It is not a de Polignac number, because 42013424149 - 2⁷ = 42013424021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42013424143) 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, 21006712074 + 21006712075.

It is an arithmetic number, because the mean of its divisors is an integer number (21006712075).

Almost surely, 2^42013424149 is an apocalyptic number.

It is an amenable number.

42013424149 is a deficient number, since it is larger than the sum of its proper divisors (1).

42013424149 is an equidigital number, since it uses as much as digits as its factorization.

42013424149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 42013424149 in words is "forty-two billion, thirteen million, four hundred twenty-four thousand, one hundred forty-nine".