49369189 has 2 divisors, whose sum is σ = 49369190. Its totient is φ = 49369188.

The previous prime is 49369169. The next prime is 49369219. The reversal of 49369189 is 98196394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35605089 + 13764100 = 5967^2 + 3710^2 .

It is a cyclic number.

It is not a de Polignac number, because 49369189 - 2⁹ = 49368677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49369169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24684594 + 24684595.

It is an arithmetic number, because the mean of its divisors is an integer number (24684595).

Almost surely, 2^49369189 is an apocalyptic number.

It is an amenable number.

49369189 is a deficient number, since it is larger than the sum of its proper divisors (1).

49369189 is an equidigital number, since it uses as much as digits as its factorization.

49369189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 49.

The square root of 49369189 is about 7026.3211569071. The cubic root of 49369189 is about 366.8473033738.

The spelling of 49369189 in words is "forty-nine million, three hundred sixty-nine thousand, one hundred eighty-nine".