49321953143 has 4 divisors (see below), whose sum is σ = 49439107848. Its totient is φ = 49204798440.

The previous prime is 49321953133. The next prime is 49321953151. The reversal of 49321953143 is 34135912394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34135912394 = 2 ⋅17067956197.

It is a cyclic number.

It is not a de Polignac number, because 49321953143 - 2⁴ = 49321953127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49321953094 and 49321953103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49321953133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58576721 + ... + 58577562.

It is an arithmetic number, because the mean of its divisors is an integer number (12359776962).

Almost surely, 2^49321953143 is an apocalyptic number.

49321953143 is a deficient number, since it is larger than the sum of its proper divisors (117154705).

49321953143 is a wasteful number, since it uses less digits than its factorization.

49321953143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117154704.

The product of its digits is 349920, while the sum is 44.

The spelling of 49321953143 in words is "forty-nine billion, three hundred twenty-one million, nine hundred fifty-three thousand, one hundred forty-three".