49469489 has 2 divisors, whose sum is σ = 49469490. Its totient is φ = 49469488.

The previous prime is 49469477. The next prime is 49469491. The reversal of 49469489 is 98496494.

It is a happy number.

49469489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49463089 + 6400 = 7033^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 49469489 - 2¹⁶ = 49403953 is a prime.

It is a super-2 number, since 2×49469489² = 4894460683842242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 49469491, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49469489.

It is not a weakly prime, because it can be changed into another prime (49469419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24734744 + 24734745.

It is an arithmetic number, because the mean of its divisors is an integer number (24734745).

Almost surely, 2^49469489 is an apocalyptic number.

It is an amenable number.

49469489 is a deficient number, since it is larger than the sum of its proper divisors (1).

49469489 is an equidigital number, since it uses as much as digits as its factorization.

49469489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 53.

The square root of 49469489 is about 7033.4549831502. The cubic root of 49469489 is about 367.0955681691.

The spelling of 49469489 in words is "forty-nine million, four hundred sixty-nine thousand, four hundred eighty-nine".