42043334153 has 2 divisors, whose sum is σ = 42043334154. Its totient is φ = 42043334152.

The previous prime is 42043334149. The next prime is 42043334183. The reversal of 42043334153 is 35143334024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23529105664 + 18514228489 = 153392^2 + 136067^2 .

It is a cyclic number.

It is not a de Polignac number, because 42043334153 - 2² = 42043334149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42043334183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021667076 + 21021667077.

It is an arithmetic number, because the mean of its divisors is an integer number (21021667077).

Almost surely, 2^42043334153 is an apocalyptic number.

It is an amenable number.

42043334153 is a deficient number, since it is larger than the sum of its proper divisors (1).

42043334153 is an equidigital number, since it uses as much as digits as its factorization.

42043334153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 42043334153 its reverse (35143334024), we get a palindrome (77186668177).

The spelling of 42043334153 in words is "forty-two billion, forty-three million, three hundred thirty-four thousand, one hundred fifty-three".