43263489053 has 2 divisors, whose sum is σ = 43263489054. Its totient is φ = 43263489052.

The previous prime is 43263489029. The next prime is 43263489109. The reversal of 43263489053 is 35098436234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41964751609 + 1298737444 = 204853^2 + 36038^2 .

It is a cyclic number.

It is not a de Polignac number, because 43263489053 - 2¹⁰ = 43263488029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43263488989 and 43263489007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43263389053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21631744526 + 21631744527.

It is an arithmetic number, because the mean of its divisors is an integer number (21631744527).

Almost surely, 2^43263489053 is an apocalyptic number.

It is an amenable number.

43263489053 is a deficient number, since it is larger than the sum of its proper divisors (1).

43263489053 is an equidigital number, since it uses as much as digits as its factorization.

43263489053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 43263489053 in words is "forty-three billion, two hundred sixty-three million, four hundred eighty-nine thousand, fifty-three".