8913809949 has 32 divisors (see below), whose sum is σ = 13224757248. Its totient is φ = 5295192000.

The previous prime is 8913809941. The next prime is 8913809951. The reversal of 8913809949 is 9499083198.

It is a happy number.

8913809949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8913809949 - 2³ = 8913809941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8913809892 and 8913809901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8913809941) 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 31 ways as a sum of consecutive naturals, for example, 394344 + ... + 416334.

It is an arithmetic number, because the mean of its divisors is an integer number (413273664).

Almost surely, 2^8913809949 is an apocalyptic number.

It is an amenable number.

8913809949 is a deficient number, since it is larger than the sum of its proper divisors (4310947299).

8913809949 is a wasteful number, since it uses less digits than its factorization.

8913809949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22249.

The product of its (nonzero) digits is 5038848, while the sum is 60.

The square root of 8913809949 is about 94412.9755330272. The cubic root of 8913809949 is about 2073.4224191522.

The spelling of 8913809949 in words is "eight billion, nine hundred thirteen million, eight hundred nine thousand, nine hundred forty-nine".