43153809091 has 8 divisors (see below), whose sum is σ = 43195919360. Its totient is φ = 43111722312.

The previous prime is 43153809019. The next prime is 43153809121. The reversal of 43153809091 is 19090835134.

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 43153809091 - 2⁷ = 43153808963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43153809011) 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 7 ways as a sum of consecutive naturals, for example, 7671706 + ... + 7677328.

It is an arithmetic number, because the mean of its divisors is an integer number (5399489920).

Almost surely, 2^43153809091 is an apocalyptic number.

43153809091 is a deficient number, since it is larger than the sum of its proper divisors (42110269).

43153809091 is a wasteful number, since it uses less digits than its factorization.

43153809091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11745.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 43153809091 in words is "forty-three billion, one hundred fifty-three million, eight hundred nine thousand, ninety-one".