43853820113 has 16 divisors (see below), whose sum is σ = 46498475520. Its totient is φ = 41274302784.

The previous prime is 43853820091. The next prime is 43853820137. The reversal of 43853820113 is 31102835834.

It is a cyclic number.

It is not a de Polignac number, because 43853820113 - 2⁸ = 43853819857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43853820163) 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, 491195 + ... + 573567.

It is an arithmetic number, because the mean of its divisors is an integer number (2906154720).

Almost surely, 2^43853820113 is an apocalyptic number.

It is an amenable number.

43853820113 is a deficient number, since it is larger than the sum of its proper divisors (2644655407).

43853820113 is a wasteful number, since it uses less digits than its factorization.

43853820113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82768.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 43853820113 in words is "forty-three billion, eight hundred fifty-three million, eight hundred twenty thousand, one hundred thirteen".