5435685904973 has 2 divisors, whose sum is σ = 5435685904974. Its totient is φ = 5435685904972.

The previous prime is 5435685904919. The next prime is 5435685904997. The reversal of 5435685904973 is 3794095865345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4552411115044 + 883274789929 = 2133638^2 + 939827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5435685904973 is a prime.

It is a super-2 number, since 2×5435685904973² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5435685904673) 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, 2717842952486 + 2717842952487.

It is an arithmetic number, because the mean of its divisors is an integer number (2717842952487).

Almost surely, 2^{5435685904973} is an apocalyptic number.

It is an amenable number.

5435685904973 is a deficient number, since it is larger than the sum of its proper divisors (1).

5435685904973 is an equidigital number, since it uses as much as digits as its factorization.

5435685904973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888000, while the sum is 68.

The spelling of 5435685904973 in words is "five trillion, four hundred thirty-five billion, six hundred eighty-five million, nine hundred four thousand, nine hundred seventy-three".