43842800824831 has 2 divisors, whose sum is σ = 43842800824832. Its totient is φ = 43842800824830.

The previous prime is 43842800824829. The next prime is 43842800824841. The reversal of 43842800824831 is 13842800824834.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43842800824831 - 2¹ = 43842800824829 is a prime.

It is a super-2 number, since 2×43842800824831² (a number of 28 digits) contains 22 as substring.

Together with 43842800824829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43842800824841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21921400412415 + 21921400412416.

It is an arithmetic number, because the mean of its divisors is an integer number (21921400412416).

Almost surely, 2^{43842800824831} is an apocalyptic number.

43842800824831 is a deficient number, since it is larger than the sum of its proper divisors (1).

43842800824831 is an equidigital number, since it uses as much as digits as its factorization.

43842800824831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9437184, while the sum is 55.

The spelling of 43842800824831 in words is "forty-three trillion, eight hundred forty-two billion, eight hundred million, eight hundred twenty-four thousand, eight hundred thirty-one".