53334586681 has 2 divisors, whose sum is σ = 53334586682. Its totient is φ = 53334586680.

The previous prime is 53334586673. The next prime is 53334586759. The reversal of 53334586681 is 18668543335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50958999081 + 2375587600 = 225741^2 + 48740^2 .

It is a cyclic number.

It is not a de Polignac number, because 53334586681 - 2³ = 53334586673 is a prime.

It is a super-2 number, since 2×53334586681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53334586621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26667293340 + 26667293341.

It is an arithmetic number, because the mean of its divisors is an integer number (26667293341).

Almost surely, 2^53334586681 is an apocalyptic number.

It is an amenable number.

53334586681 is a deficient number, since it is larger than the sum of its proper divisors (1).

53334586681 is an equidigital number, since it uses as much as digits as its factorization.

53334586681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 52.

It can be divided in two parts, 533345 and 86681, that added together give a palindrome (620026).

The spelling of 53334586681 in words is "fifty-three billion, three hundred thirty-four million, five hundred eighty-six thousand, six hundred eighty-one".