49000091000043 has 64 divisors (see below), whose sum is σ = 70517494361600. Its totient is φ = 30165029959680.

The previous prime is 49000091000017. The next prime is 49000091000051. The reversal of 49000091000043 is 34000019000094.

It is not a de Polignac number, because 49000091000043 - 2²⁰ = 49000089951467 is a prime.

It is the 7000007-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49000091000543) by changing a digit.

It is a nontrivial repunit in base 7000006.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2651367363 + ... + 2651385843.

It is an arithmetic number, because the mean of its divisors is an integer number (1101835849400).

Almost surely, 2^{49000091000043} is an apocalyptic number.

49000091000043 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

49000091000043 is a deficient number, since it is larger than the sum of its proper divisors (21517403361557).

49000091000043 is a wasteful number, since it uses less digits than its factorization.

49000091000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20732.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 49000091000043 in words is "forty-nine trillion, ninety-one million, forty-three", and thus it is an aban number and an uban number.