4909085381 has 8 divisors (see below), whose sum is σ = 4971262464. Its totient is φ = 4846980640.

The previous prime is 4909085351. The next prime is 4909085387. The reversal of 4909085381 is 1835809094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4909085381 is a prime.

It is a super-2 number, since 2×4909085381² = 48198238555895830322, 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 (4909085387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125660 + ... + 160026.

It is an arithmetic number, because the mean of its divisors is an integer number (621407808).

Almost surely, 2^4909085381 is an apocalyptic number.

It is an amenable number.

4909085381 is a deficient number, since it is larger than the sum of its proper divisors (62177083).

4909085381 is a wasteful number, since it uses less digits than its factorization.

4909085381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36171.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 4909085381 is about 70064.8655247407. The cubic root of 4909085381 is about 1699.5483668780.

The spelling of 4909085381 in words is "four billion, nine hundred nine million, eighty-five thousand, three hundred eighty-one".