424915075944881 has 2 divisors, whose sum is σ = 424915075944882. Its totient is φ = 424915075944880.

The previous prime is 424915075944841. The next prime is 424915075944883. The reversal of 424915075944881 is 188449570519424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408201009880225 + 16714066064656 = 20203985^2 + 4088284^2 .

It is a cyclic number.

It is not a de Polignac number, because 424915075944881 - 2²² = 424915071750577 is a prime.

It is a super-2 number, since 2×424915075944881² (a number of 30 digits) contains 22 as substring.

Together with 424915075944883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424915075944883) 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, 212457537972440 + 212457537972441.

It is an arithmetic number, because the mean of its divisors is an integer number (212457537972441).

Almost surely, 2^{424915075944881} is an apocalyptic number.

It is an amenable number.

424915075944881 is a deficient number, since it is larger than the sum of its proper divisors (1).

424915075944881 is an equidigital number, since it uses as much as digits as its factorization.

424915075944881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 464486400, while the sum is 71.

The spelling of 424915075944881 in words is "four hundred twenty-four trillion, nine hundred fifteen billion, seventy-five million, nine hundred forty-four thousand, eight hundred eighty-one".