49168669 has 4 divisors (see below), whose sum is σ = 53638560. Its totient is φ = 44698780.

The previous prime is 49168667. The next prime is 49168681. The reversal of 49168669 is 96686194.

49168669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49168669 - 2¹ = 49168667 is a prime.

It is a super-2 number, since 2×49168669² = 4835116022463122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49168667) 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 in 3 ways as a sum of consecutive naturals, for example, 2234929 + ... + 2234950.

It is an arithmetic number, because the mean of its divisors is an integer number (13409640).

Almost surely, 2^49168669 is an apocalyptic number.

It is an amenable number.

49168669 is a deficient number, since it is larger than the sum of its proper divisors (4469891).

49168669 is a wasteful number, since it uses less digits than its factorization.

49168669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469890.

The product of its digits is 559872, while the sum is 49.

The square root of 49168669 is about 7012.0374357244. The cubic root of 49168669 is about 366.3499618816.

The spelling of 49168669 in words is "forty-nine million, one hundred sixty-eight thousand, six hundred sixty-nine".