43245681017 has 16 divisors (see below), whose sum is σ = 54041831424. Its totient is φ = 33619722000.

The previous prime is 43245681007. The next prime is 43245681041. The reversal of 43245681017 is 71018654234.

It is a cyclic number.

It is not a de Polignac number, because 43245681017 - 2⁶ = 43245680953 is a prime.

It is a super-2 number, since 2×43245681017² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43245681007) 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 15 ways as a sum of consecutive naturals, for example, 618359 + ... + 684732.

It is an arithmetic number, because the mean of its divisors is an integer number (3377614464).

Almost surely, 2^43245681017 is an apocalyptic number.

It is an amenable number.

43245681017 is a deficient number, since it is larger than the sum of its proper divisors (10796150407).

43245681017 is a wasteful number, since it uses less digits than its factorization.

43245681017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303540.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 43245681017 in words is "forty-three billion, two hundred forty-five million, six hundred eighty-one thousand, seventeen".