43021271005759 has 2 divisors, whose sum is σ = 43021271005760. Its totient is φ = 43021271005758.

The previous prime is 43021271005753. The next prime is 43021271005781. The reversal of 43021271005759 is 95750017212034.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43021271005759 is a prime.

It is a super-2 number, since 2×43021271005759² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43021271005753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21510635502879 + 21510635502880.

It is an arithmetic number, because the mean of its divisors is an integer number (21510635502880).

Almost surely, 2^{43021271005759} is an apocalyptic number.

43021271005759 is a deficient number, since it is larger than the sum of its proper divisors (1).

43021271005759 is an equidigital number, since it uses as much as digits as its factorization.

43021271005759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 43021271005759 in words is "forty-three trillion, twenty-one billion, two hundred seventy-one million, five thousand, seven hundred fifty-nine".