43256702459 has 2 divisors, whose sum is σ = 43256702460. Its totient is φ = 43256702458.

The previous prime is 43256702399. The next prime is 43256702473. The reversal of 43256702459 is 95420765234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43256702459 - 2¹⁶ = 43256636923 is a prime.

It is a super-2 number, since 2×43256702459² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43256702059) 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, 21628351229 + 21628351230.

It is an arithmetic number, because the mean of its divisors is an integer number (21628351230).

Almost surely, 2^43256702459 is an apocalyptic number.

43256702459 is a deficient number, since it is larger than the sum of its proper divisors (1).

43256702459 is an equidigital number, since it uses as much as digits as its factorization.

43256702459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 43256702459 in words is "forty-three billion, two hundred fifty-six million, seven hundred two thousand, four hundred fifty-nine".