49669329 has 4 divisors (see below), whose sum is σ = 66225776. Its totient is φ = 33112884.

The previous prime is 49669313. The next prime is 49669349. The reversal of 49669329 is 92396694.

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 not a de Polignac number, because 49669329 - 2⁴ = 49669313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49669349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8278219 + ... + 8278224.

It is an arithmetic number, because the mean of its divisors is an integer number (16556444).

Almost surely, 2^49669329 is an apocalyptic number.

It is an amenable number.

49669329 is a deficient number, since it is larger than the sum of its proper divisors (16556447).

49669329 is a wasteful number, since it uses less digits than its factorization.

49669329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16556446.

The product of its digits is 629856, while the sum is 48.

The square root of 49669329 is about 7047.6470541593. The cubic root of 49669329 is about 367.5892180074.

The spelling of 49669329 in words is "forty-nine million, six hundred sixty-nine thousand, three hundred twenty-nine".