42846828488839 has 2 divisors, whose sum is σ = 42846828488840. Its totient is φ = 42846828488838.

The previous prime is 42846828488813. The next prime is 42846828488851. The reversal of 42846828488839 is 93888482864824.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42846828488839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42846828488809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21423414244419 + 21423414244420.

It is an arithmetic number, because the mean of its divisors is an integer number (21423414244420).

Almost surely, 2^{42846828488839} is an apocalyptic number.

42846828488839 is a deficient number, since it is larger than the sum of its proper divisors (1).

42846828488839 is an equidigital number, since it uses as much as digits as its factorization.

42846828488839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10871635968, while the sum is 82.

The spelling of 42846828488839 in words is "forty-two trillion, eight hundred forty-six billion, eight hundred twenty-eight million, four hundred eighty-eight thousand, eight hundred thirty-nine".