49391442843 has 8 divisors (see below), whose sum is σ = 65857376256. Its totient is φ = 32926569000.

The previous prime is 49391442791. The next prime is 49391442911. The reversal of 49391442843 is 34824419394.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49391442843 - 2¹⁰ = 49391441819 is a prime.

It is a super-2 number, since 2×49391442843² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49391442743) 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, 148863 + ... + 347768.

It is an arithmetic number, because the mean of its divisors is an integer number (8232172032).

Almost surely, 2^49391442843 is an apocalyptic number.

49391442843 is a deficient number, since it is larger than the sum of its proper divisors (16465933413).

49391442843 is a wasteful number, since it uses less digits than its factorization.

49391442843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529785.

The product of its digits is 2985984, while the sum is 51.

The spelling of 49391442843 in words is "forty-nine billion, three hundred ninety-one million, four hundred forty-two thousand, eight hundred forty-three".