49906770889 has 2 divisors, whose sum is σ = 49906770890. Its totient is φ = 49906770888.

The previous prime is 49906770887. The next prime is 49906770913. The reversal of 49906770889 is 98807760994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36455410489 + 13451360400 = 190933^2 + 115980^2 .

It is a cyclic number.

It is not a de Polignac number, because 49906770889 - 2¹ = 49906770887 is a prime.

Together with 49906770887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49906770887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24953385444 + 24953385445.

It is an arithmetic number, because the mean of its divisors is an integer number (24953385445).

Almost surely, 2^49906770889 is an apocalyptic number.

It is an amenable number.

49906770889 is a deficient number, since it is larger than the sum of its proper divisors (1).

49906770889 is an equidigital number, since it uses as much as digits as its factorization.

49906770889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54867456, while the sum is 67.

The spelling of 49906770889 in words is "forty-nine billion, nine hundred six million, seven hundred seventy thousand, eight hundred eighty-nine".