43245452259 has 32 divisors (see below), whose sum is σ = 67921479680. Its totient is φ = 27146210400.

The previous prime is 43245452251. The next prime is 43245452273. The reversal of 43245452259 is 95225454234.

43245452259 is a `hidden beast` number, since 4 + 3 + 24 + 54 + 522 + 59 = 666.

It is not a de Polignac number, because 43245452259 - 2³ = 43245452251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43245452251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 667237 + ... + 729174.

It is an arithmetic number, because the mean of its divisors is an integer number (2122546240).

Almost surely, 2^43245452259 is an apocalyptic number.

43245452259 is a deficient number, since it is larger than the sum of its proper divisors (24676027421).

43245452259 is a wasteful number, since it uses less digits than its factorization.

43245452259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396488 (or 1396482 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 43245452259 in words is "forty-three billion, two hundred forty-five million, four hundred fifty-two thousand, two hundred fifty-nine".