42005401425443 has 2 divisors, whose sum is σ = 42005401425444. Its totient is φ = 42005401425442.

The previous prime is 42005401425439. The next prime is 42005401425497. The reversal of 42005401425443 is 34452410450024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42005401425443 - 2² = 42005401425439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42005401425397 and 42005401425406.

It is not a weakly prime, because it can be changed into another prime (42005401425943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002700712721 + 21002700712722.

It is an arithmetic number, because the mean of its divisors is an integer number (21002700712722).

Almost surely, 2^{42005401425443} is an apocalyptic number.

42005401425443 is a deficient number, since it is larger than the sum of its proper divisors (1).

42005401425443 is an equidigital number, since it uses as much as digits as its factorization.

42005401425443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 42005401425443 its reverse (34452410450024), we get a palindrome (76457811875467).

The spelling of 42005401425443 in words is "forty-two trillion, five billion, four hundred one million, four hundred twenty-five thousand, four hundred forty-three".