49769893 has 2 divisors, whose sum is σ = 49769894. Its totient is φ = 49769892.

The previous prime is 49769891. The next prime is 49769917. The reversal of 49769893 is 39896794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42810849 + 6959044 = 6543^2 + 2638^2 .

It is a cyclic number.

It is not a de Polignac number, because 49769893 - 2¹ = 49769891 is a prime.

Together with 49769891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49769891) 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 as a sum of consecutive naturals, namely, 24884946 + 24884947.

It is an arithmetic number, because the mean of its divisors is an integer number (24884947).

Almost surely, 2^49769893 is an apocalyptic number.

It is an amenable number.

49769893 is a deficient number, since it is larger than the sum of its proper divisors (1).

49769893 is an equidigital number, since it uses as much as digits as its factorization.

49769893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 55.

The square root of 49769893 is about 7054.7780262741. The cubic root of 49769893 is about 367.8371330537.

The spelling of 49769893 in words is "forty-nine million, seven hundred sixty-nine thousand, eight hundred ninety-three".