49545050689 has 4 divisors (see below), whose sum is σ = 49620233520. Its totient is φ = 49469867860.

The previous prime is 49545050591. The next prime is 49545050701. The reversal of 49545050689 is 98605054594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98605054594 = 2 ⋅49302527297.

It is a cyclic number.

It is not a de Polignac number, because 49545050689 - 2⁷ = 49545050561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49545053689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37590427 + ... + 37591744.

It is an arithmetic number, because the mean of its divisors is an integer number (12405058380).

Almost surely, 2^49545050689 is an apocalyptic number.

It is an amenable number.

49545050689 is a deficient number, since it is larger than the sum of its proper divisors (75182831).

49545050689 is an equidigital number, since it uses as much as digits as its factorization.

49545050689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75182830.

The product of its (nonzero) digits is 7776000, while the sum is 55.

The spelling of 49545050689 in words is "forty-nine billion, five hundred forty-five million, fifty thousand, six hundred eighty-nine".