49199343943 has 4 divisors (see below), whose sum is σ = 49586740480. Its totient is φ = 48811947408.

The previous prime is 49199343931. The next prime is 49199344001. The reversal of 49199343943 is 34934399194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49199343943 - 2¹⁷ = 49199212871 is a prime.

It is a super-2 number, since 2×49199343943² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49199343923) 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 3 ways as a sum of consecutive naturals, for example, 193698078 + ... + 193698331.

It is an arithmetic number, because the mean of its divisors is an integer number (12396685120).

Almost surely, 2^49199343943 is an apocalyptic number.

49199343943 is a deficient number, since it is larger than the sum of its proper divisors (387396537).

49199343943 is a wasteful number, since it uses less digits than its factorization.

49199343943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387396536.

The product of its digits is 11337408, while the sum is 58.

The spelling of 49199343943 in words is "forty-nine billion, one hundred ninety-nine million, three hundred forty-three thousand, nine hundred forty-three".