49358644249 has 4 divisors (see below), whose sum is σ = 49418185060. Its totient is φ = 49299103440.

The previous prime is 49358644241. The next prime is 49358644259. The reversal of 49358644249 is 94244685394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94244685394 = 2 ⋅47122342697.

It can be written as a sum of positive squares in 2 ways, for example, as 28381467024 + 20977177225 = 168468^2 + 144835^2 .

It is a cyclic number.

It is not a de Polignac number, because 49358644249 - 2³ = 49358644241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49358644193 and 49358644202.

It is not an unprimeable number, because it can be changed into a prime (49358644241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29769162 + ... + 29770819.

It is an arithmetic number, because the mean of its divisors is an integer number (12354546265).

Almost surely, 2^49358644249 is an apocalyptic number.

It is an amenable number.

49358644249 is a deficient number, since it is larger than the sum of its proper divisors (59540811).

49358644249 is an equidigital number, since it uses as much as digits as its factorization.

49358644249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59540810.

The product of its digits is 29859840, while the sum is 58.

The spelling of 49358644249 in words is "forty-nine billion, three hundred fifty-eight million, six hundred forty-four thousand, two hundred forty-nine".