42530400001 has 2 divisors, whose sum is σ = 42530400002. Its totient is φ = 42530400000.

The previous prime is 42530399999. The next prime is 42530400019. The reversal of 42530400001 is 10000403524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41992206400 + 538193601 = 204920^2 + 23199^2 .

It is a cyclic number.

It is not a de Polignac number, because 42530400001 - 2¹ = 42530399999 is a prime.

Together with 42530399999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42530400401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21265200000 + 21265200001.

It is an arithmetic number, because the mean of its divisors is an integer number (21265200001).

Almost surely, 2^42530400001 is an apocalyptic number.

It is an amenable number.

42530400001 is a deficient number, since it is larger than the sum of its proper divisors (1).

42530400001 is an equidigital number, since it uses as much as digits as its factorization.

42530400001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 42530400001 its reverse (10000403524), we get a palindrome (52530803525).

The spelling of 42530400001 in words is "forty-two billion, five hundred thirty million, four hundred thousand, one".