54637873669 has 2 divisors, whose sum is σ = 54637873670. Its totient is φ = 54637873668.

The previous prime is 54637873637. The next prime is 54637873687. The reversal of 54637873669 is 96637873645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38978604900 + 15659268769 = 197430^2 + 125137^2 .

It is a cyclic number.

It is not a de Polignac number, because 54637873669 - 2⁵ = 54637873637 is a prime.

It is a super-2 number, since 2×54637873669² (a number of 22 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 54637873669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54637873369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27318936834 + 27318936835.

It is an arithmetic number, because the mean of its divisors is an integer number (27318936835).

Almost surely, 2^54637873669 is an apocalyptic number.

It is an amenable number.

54637873669 is a deficient number, since it is larger than the sum of its proper divisors (1).

54637873669 is an equidigital number, since it uses as much as digits as its factorization.

54637873669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 137168640, while the sum is 64.

The spelling of 54637873669 in words is "fifty-four billion, six hundred thirty-seven million, eight hundred seventy-three thousand, six hundred sixty-nine".