49943329165 has 4 divisors (see below), whose sum is σ = 59931995004. Its totient is φ = 39954663328.

The previous prime is 49943329103. The next prime is 49943329193. The reversal of 49943329165 is 56192334994.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30885250564 + 19058078601 = 175742^2 + 138051^2 .

It is a cyclic number.

It is not a de Polignac number, because 49943329165 - 2¹⁵ = 49943296397 is a prime.

It is a super-2 number, since 2×49943329165² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4994332912 + ... + 4994332921.

It is an arithmetic number, because the mean of its divisors is an integer number (14982998751).

Almost surely, 2^49943329165 is an apocalyptic number.

It is an amenable number.

49943329165 is a deficient number, since it is larger than the sum of its proper divisors (9988665839).

49943329165 is an equidigital number, since it uses as much as digits as its factorization.

49943329165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9988665838.

The product of its digits is 6298560, while the sum is 55.

The spelling of 49943329165 in words is "forty-nine billion, nine hundred forty-three million, three hundred twenty-nine thousand, one hundred sixty-five".