4891408929 has 24 divisors (see below), whose sum is σ = 8161070112. Its totient is φ = 2790107520.

The previous prime is 4891408883. The next prime is 4891408943. The reversal of 4891408929 is 9298041984.

4891408929 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4891408929 - 2¹⁹ = 4890884641 is a prime.

It is a super-3 number, since 3×4891408929³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4891408729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1451499 + ... + 1454864.

It is an arithmetic number, because the mean of its divisors is an integer number (340044588).

Almost surely, 2^4891408929 is an apocalyptic number.

It is an amenable number.

4891408929 is a deficient number, since it is larger than the sum of its proper divisors (3269661183).

4891408929 is a wasteful number, since it uses less digits than its factorization.

4891408929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906397 (or 2906394 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 4891408929 is about 69938.6082861248. The cubic root of 4891408929 is about 1697.5060234053.

The spelling of 4891408929 in words is "four billion, eight hundred ninety-one million, four hundred eight thousand, nine hundred twenty-nine".