43275132757 has 2 divisors, whose sum is σ = 43275132758. Its totient is φ = 43275132756.

The previous prime is 43275132737. The next prime is 43275132781. The reversal of 43275132757 is 75723157234.

43275132757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29140538436 + 14134594321 = 170706^2 + 118889^2 .

It is a cyclic number.

It is not a de Polignac number, because 43275132757 - 2¹⁹ = 43274608469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43275132727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21637566378 + 21637566379.

It is an arithmetic number, because the mean of its divisors is an integer number (21637566379).

Almost surely, 2^43275132757 is an apocalyptic number.

It is an amenable number.

43275132757 is a deficient number, since it is larger than the sum of its proper divisors (1).

43275132757 is an equidigital number, since it uses as much as digits as its factorization.

43275132757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1234800, while the sum is 46.

The spelling of 43275132757 in words is "forty-three billion, two hundred seventy-five million, one hundred thirty-two thousand, seven hundred fifty-seven".