42543354001 has 2 divisors, whose sum is σ = 42543354002. Its totient is φ = 42543354000.

The previous prime is 42543353987. The next prime is 42543354019. The reversal of 42543354001 is 10045334524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39820601601 + 2722752400 = 199551^2 + 52180^2 .

It is a cyclic number.

It is not a de Polignac number, because 42543354001 - 2²³ = 42534965393 is a prime.

It is not a weakly prime, because it can be changed into another prime (42543354901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21271677000 + 21271677001.

It is an arithmetic number, because the mean of its divisors is an integer number (21271677001).

Almost surely, 2^42543354001 is an apocalyptic number.

It is an amenable number.

42543354001 is a deficient number, since it is larger than the sum of its proper divisors (1).

42543354001 is an equidigital number, since it uses as much as digits as its factorization.

42543354001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 42543354001 its reverse (10045334524), we get a palindrome (52588688525).

The spelling of 42543354001 in words is "forty-two billion, five hundred forty-three million, three hundred fifty-four thousand, one".