49205069 has 4 divisors (see below), whose sum is σ = 49235196. Its totient is φ = 49174944.

The previous prime is 49205017. The next prime is 49205077. The reversal of 49205069 is 96050294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37982569 + 11222500 = 6163^2 + 3350^2 .

It is a cyclic number.

It is not a de Polignac number, because 49205069 - 2²⁴ = 32427853 is a prime.

It is a super-2 number, since 2×49205069² = 4842277630589522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49205669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12464 + ... + 15929.

It is an arithmetic number, because the mean of its divisors is an integer number (12308799).

Almost surely, 2^49205069 is an apocalyptic number.

It is an amenable number.

49205069 is a deficient number, since it is larger than the sum of its proper divisors (30127).

49205069 is a wasteful number, since it uses less digits than its factorization.

49205069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30126.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 49205069 is about 7014.6324921552. The cubic root of 49205069 is about 366.4403436195.

The spelling of 49205069 in words is "forty-nine million, two hundred five thousand, sixty-nine".