49345669 has 2 divisors, whose sum is σ = 49345670. Its totient is φ = 49345668.

The previous prime is 49345657. The next prime is 49345697. The reversal of 49345669 is 96654394.

49345669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39816100 + 9529569 = 6310^2 + 3087^2 .

It is a cyclic number.

It is not a de Polignac number, because 49345669 - 2¹¹ = 49343621 is a prime.

It is a super-2 number, since 2×49345669² = 4869990098115122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49345609) 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, 24672834 + 24672835.

It is an arithmetic number, because the mean of its divisors is an integer number (24672835).

Almost surely, 2^49345669 is an apocalyptic number.

It is an amenable number.

49345669 is a deficient number, since it is larger than the sum of its proper divisors (1).

49345669 is an equidigital number, since it uses as much as digits as its factorization.

49345669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 46.

The square root of 49345669 is about 7024.6472509301. The cubic root of 49345669 is about 366.7890374843.

The spelling of 49345669 in words is "forty-nine million, three hundred forty-five thousand, six hundred sixty-nine".