42824551439 has 2 divisors, whose sum is σ = 42824551440. Its totient is φ = 42824551438.

The previous prime is 42824551423. The next prime is 42824551477. The reversal of 42824551439 is 93415542824.

42824551439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42824551439 - 2⁴ = 42824551423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42824551393 and 42824551402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42824551339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21412275719 + 21412275720.

It is an arithmetic number, because the mean of its divisors is an integer number (21412275720).

Almost surely, 2^42824551439 is an apocalyptic number.

42824551439 is a deficient number, since it is larger than the sum of its proper divisors (1).

42824551439 is an equidigital number, since it uses as much as digits as its factorization.

42824551439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 47.

The spelling of 42824551439 in words is "forty-two billion, eight hundred twenty-four million, five hundred fifty-one thousand, four hundred thirty-nine".