50829420949 has 4 divisors (see below), whose sum is σ = 50831737164. Its totient is φ = 50827104736.

The previous prime is 50829420923. The next prime is 50829420959. The reversal of 50829420949 is 94902492805.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94902492805 = 5 ⋅18980498561.

It can be written as a sum of positive squares in 2 ways, for example, as 45964358449 + 4865062500 = 214393^2 + 69750^2 .

It is a cyclic number.

It is not a de Polignac number, because 50829420949 - 2¹³ = 50829412757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50829420896 and 50829420905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50829420959) 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, 1124872 + ... + 1169185.

It is an arithmetic number, because the mean of its divisors is an integer number (12707934291).

Almost surely, 2^50829420949 is an apocalyptic number.

It is an amenable number.

50829420949 is a deficient number, since it is larger than the sum of its proper divisors (2316215).

50829420949 is a wasteful number, since it uses less digits than its factorization.

50829420949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316214.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 50829420949 in words is "fifty billion, eight hundred twenty-nine million, four hundred twenty thousand, nine hundred forty-nine".