4905209430 has 96 divisors (see below), whose sum is σ = 14050996128. Its totient is φ = 1177344000.

The previous prime is 4905209411. The next prime is 4905209431. The reversal of 4905209430 is 349025094.

4905209430 is a `hidden beast` number, since 4 + 90 + 520 + 9 + 43 + 0 = 666.

It is a super-2 number, since 2×4905209430² = 48122159104321849800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4905209431) 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 47 ways as a sum of consecutive naturals, for example, 75462 + ... + 124518.

It is an arithmetic number, because the mean of its divisors is an integer number (146364543).

Almost surely, 2^4905209430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4905209430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7025498064).

4905209430 is an abundant number, since it is smaller than the sum of its proper divisors (9145786698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4905209430 is a wasteful number, since it uses less digits than its factorization.

4905209430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49182 (or 49179 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 4905209430 is about 70037.2003295392. The cubic root of 4905209430 is about 1699.1009583067.

The spelling of 4905209430 in words is "four billion, nine hundred five million, two hundred nine thousand, four hundred thirty".