42251122043329 has 2 divisors, whose sum is σ = 42251122043330. Its totient is φ = 42251122043328.

The previous prime is 42251122043321. The next prime is 42251122043369. The reversal of 42251122043329 is 92334022115224.

It is an a-pointer prime, because the next prime (42251122043369) can be obtained adding 42251122043329 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21361404985600 + 20889717057729 = 4621840^2 + 4570527^2 .

It is a cyclic number.

It is not a de Polignac number, because 42251122043329 - 2³ = 42251122043321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42251122043291 and 42251122043300.

It is not a weakly prime, because it can be changed into another prime (42251122043321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21125561021664 + 21125561021665.

It is an arithmetic number, because the mean of its divisors is an integer number (21125561021665).

Almost surely, 2^{42251122043329} is an apocalyptic number.

It is an amenable number.

42251122043329 is a deficient number, since it is larger than the sum of its proper divisors (1).

42251122043329 is an equidigital number, since it uses as much as digits as its factorization.

42251122043329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 42251122043329 in words is "forty-two trillion, two hundred fifty-one billion, one hundred twenty-two million, forty-three thousand, three hundred twenty-nine".