465888383881 has 2 divisors, whose sum is σ = 465888383882. Its totient is φ = 465888383880.

The previous prime is 465888383819. The next prime is 465888383903. The reversal of 465888383881 is 188383888564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282433788025 + 183454595856 = 531445^2 + 428316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465888383881 is a prime.

It is a super-2 number, since 2×465888383881² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 465888383881.

It is not a weakly prime, because it can be changed into another prime (465888383281) 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, 232944191940 + 232944191941.

It is an arithmetic number, because the mean of its divisors is an integer number (232944191941).

Almost surely, 2^465888383881 is an apocalyptic number.

It is an amenable number.

465888383881 is a deficient number, since it is larger than the sum of its proper divisors (1).

465888383881 is an equidigital number, since it uses as much as digits as its factorization.

465888383881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 283115520, while the sum is 70.

The spelling of 465888383881 in words is "four hundred sixty-five billion, eight hundred eighty-eight million, three hundred eighty-three thousand, eight hundred eighty-one".