42143463653 has 2 divisors, whose sum is σ = 42143463654. Its totient is φ = 42143463652.

The previous prime is 42143463631. The next prime is 42143463673. The reversal of 42143463653 is 35636434124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34461467044 + 7681996609 = 185638^2 + 87647^2 .

It is a cyclic number.

It is not a de Polignac number, because 42143463653 - 2¹² = 42143459557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42143463653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42143463613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21071731826 + 21071731827.

It is an arithmetic number, because the mean of its divisors is an integer number (21071731827).

Almost surely, 2^42143463653 is an apocalyptic number.

It is an amenable number.

42143463653 is a deficient number, since it is larger than the sum of its proper divisors (1).

42143463653 is an equidigital number, since it uses as much as digits as its factorization.

42143463653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 41.

Adding to 42143463653 its reverse (35636434124), we get a palindrome (77779897777).

The spelling of 42143463653 in words is "forty-two billion, one hundred forty-three million, four hundred sixty-three thousand, six hundred fifty-three".