43532218097 has 8 divisors (see below), whose sum is σ = 44736465480. Its totient is φ = 42334755840.

The previous prime is 43532218073. The next prime is 43532218109. The reversal of 43532218097 is 79081223534.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34527376 + 43497690721 = 5876^2 + 208561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43532218097 - 2¹⁸ = 43531955953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43532218027) 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 in 7 ways as a sum of consecutive naturals, for example, 1683272 + ... + 1708937.

It is an arithmetic number, because the mean of its divisors is an integer number (5592058185).

Almost surely, 2^43532218097 is an apocalyptic number.

It is an amenable number.

43532218097 is a deficient number, since it is larger than the sum of its proper divisors (1204247383).

43532218097 is a wasteful number, since it uses less digits than its factorization.

43532218097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392563.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 43532218097 in words is "forty-three billion, five hundred thirty-two million, two hundred eighteen thousand, ninety-seven".