4809394131 has 4 divisors (see below), whose sum is σ = 6412525512. Its totient is φ = 3206262752.

The previous prime is 4809394127. The next prime is 4809394159. The reversal of 4809394131 is 1314939084.

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

It is a cyclic number.

It is not a de Polignac number, because 4809394131 - 2² = 4809394127 is a prime.

It is a super-3 number, since 3×4809394131³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (4809394181) 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, 801565686 + ... + 801565691.

It is an arithmetic number, because the mean of its divisors is an integer number (1603131378).

Almost surely, 2^4809394131 is an apocalyptic number.

4809394131 is a deficient number, since it is larger than the sum of its proper divisors (1603131381).

4809394131 is a wasteful number, since it uses less digits than its factorization.

4809394131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603131380.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 4809394131 is about 69349.7954647308. The cubic root of 4809394131 is about 1687.9650741624.

The spelling of 4809394131 in words is "four billion, eight hundred nine million, three hundred ninety-four thousand, one hundred thirty-one".