43156466653 has 2 divisors, whose sum is σ = 43156466654. Its totient is φ = 43156466652.

The previous prime is 43156466581. The next prime is 43156466657. The reversal of 43156466653 is 35666465134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43140120804 + 16345849 = 207702^2 + 4043^2 .

It is a cyclic number.

It is not a de Polignac number, because 43156466653 - 2¹³ = 43156458461 is a prime.

It is a super-2 number, since 2×43156466653² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43156466597 and 43156466606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43156466657) 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, 21578233326 + 21578233327.

It is an arithmetic number, because the mean of its divisors is an integer number (21578233327).

Almost surely, 2^43156466653 is an apocalyptic number.

It is an amenable number.

43156466653 is a deficient number, since it is larger than the sum of its proper divisors (1).

43156466653 is an equidigital number, since it uses as much as digits as its factorization.

43156466653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 49.

The spelling of 43156466653 in words is "forty-three billion, one hundred fifty-six million, four hundred sixty-six thousand, six hundred fifty-three".