42521454383 has 2 divisors, whose sum is σ = 42521454384. Its totient is φ = 42521454382.

The previous prime is 42521454361. The next prime is 42521454407. The reversal of 42521454383 is 38345412524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42521454383 - 2⁸ = 42521454127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42521454383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42521453383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21260727191 + 21260727192.

It is an arithmetic number, because the mean of its divisors is an integer number (21260727192).

Almost surely, 2^42521454383 is an apocalyptic number.

42521454383 is a deficient number, since it is larger than the sum of its proper divisors (1).

42521454383 is an equidigital number, since it uses as much as digits as its factorization.

42521454383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 41.

The spelling of 42521454383 in words is "forty-two billion, five hundred twenty-one million, four hundred fifty-four thousand, three hundred eighty-three".