63142411861 has 2 divisors, whose sum is σ = 63142411862. Its totient is φ = 63142411860.

The previous prime is 63142411841. The next prime is 63142411879. The reversal of 63142411861 is 16811424136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62784823761 + 357588100 = 250569^2 + 18910^2 .

It is a cyclic number.

It is not a de Polignac number, because 63142411861 - 2¹³ = 63142403669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63142411861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63142411811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31571205930 + 31571205931.

It is an arithmetic number, because the mean of its divisors is an integer number (31571205931).

Almost surely, 2^63142411861 is an apocalyptic number.

It is an amenable number.

63142411861 is a deficient number, since it is larger than the sum of its proper divisors (1).

63142411861 is an equidigital number, since it uses as much as digits as its factorization.

63142411861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

Adding to 63142411861 its reverse (16811424136), we get a palindrome (79953835997).

The spelling of 63142411861 in words is "sixty-three billion, one hundred forty-two million, four hundred eleven thousand, eight hundred sixty-one".