43663136241 has 4 divisors (see below), whose sum is σ = 58217514992. Its totient is φ = 29108757492.

The previous prime is 43663136207. The next prime is 43663136269. The reversal of 43663136241 is 14263136634.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 43663136241 - 2⁶ = 43663136177 is a prime.

It is a super-2 number, since 2×43663136241² (a number of 22 digits) contains 22 as substring.

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 43663136241.

It is not an unprimeable number, because it can be changed into a prime (43663136201) 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 3 ways as a sum of consecutive naturals, for example, 7277189371 + ... + 7277189376.

It is an arithmetic number, because the mean of its divisors is an integer number (14554378748).

Almost surely, 2^43663136241 is an apocalyptic number.

It is an amenable number.

43663136241 is a deficient number, since it is larger than the sum of its proper divisors (14554378751).

43663136241 is a wasteful number, since it uses less digits than its factorization.

43663136241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14554378750.

The product of its digits is 186624, while the sum is 39.

The spelling of 43663136241 in words is "forty-three billion, six hundred sixty-three million, one hundred thirty-six thousand, two hundred forty-one".