43138853059 has 16 divisors (see below), whose sum is σ = 44126604000. Its totient is φ = 42160227840.

The previous prime is 43138853033. The next prime is 43138853099. The reversal of 43138853059 is 95035883134.

It is a cyclic number.

It is not a de Polignac number, because 43138853059 - 2²⁹ = 42601982147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43138853029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11090587 + ... + 11094475.

It is an arithmetic number, because the mean of its divisors is an integer number (2757912750).

Almost surely, 2^43138853059 is an apocalyptic number.

43138853059 is a deficient number, since it is larger than the sum of its proper divisors (987750941).

43138853059 is a wasteful number, since it uses less digits than its factorization.

43138853059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 43138853059 in words is "forty-three billion, one hundred thirty-eight million, eight hundred fifty-three thousand, fifty-nine".