43846161097 has 4 divisors (see below), whose sum is σ = 45031192516. Its totient is φ = 42661129680.

The previous prime is 43846161077. The next prime is 43846161109. The reversal of 43846161097 is 79016164834.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31951205001 + 11894956096 = 178749^2 + 109064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43846161097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43846161097.

It is not an unprimeable number, because it can be changed into a prime (43846161017) 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 3 ways as a sum of consecutive naturals, for example, 592515654 + ... + 592515727.

It is an arithmetic number, because the mean of its divisors is an integer number (11257798129).

Almost surely, 2^43846161097 is an apocalyptic number.

It is an amenable number.

43846161097 is a deficient number, since it is larger than the sum of its proper divisors (1185031419).

43846161097 is a wasteful number, since it uses less digits than its factorization.

43846161097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185031418.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 43846161097 in words is "forty-three billion, eight hundred forty-six million, one hundred sixty-one thousand, ninety-seven".