49999999999943 has 8 divisors (see below), whose sum is σ = 57142997278080. Its totient is φ = 42857037755640.

The previous prime is 49999999999919. The next prime is 49999999999949. The reversal of 49999999999943 is 34999999999994.

It is a happy number.

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 49999999999943 - 2²⁴ = 49999983222727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999999999949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5625473 + ... + 11473706.

It is an arithmetic number, because the mean of its divisors is an integer number (7142874659760).

Almost surely, 2^{49999999999943} is an apocalyptic number.

49999999999943 is a deficient number, since it is larger than the sum of its proper divisors (7142997278137).

49999999999943 is a wasteful number, since it uses less digits than its factorization.

49999999999943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17516917.

The product of its digits is 1506290861232, while the sum is 110.

The spelling of 49999999999943 in words is "forty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty-three".