4938904321 has 8 divisors (see below), whose sum is σ = 5448547944. Its totient is φ = 4447793280.

The previous prime is 4938904309. The next prime is 4938904351. The reversal of 4938904321 is 1234098394.

It can be written as a sum of positive squares in 4 ways, for example, as 193210000 + 4745694321 = 13900^2 + 68889^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4938904321 - 2⁷ = 4938904193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4938904351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4632586 + ... + 4633651.

It is an arithmetic number, because the mean of its divisors is an integer number (681068493).

Almost surely, 2^4938904321 is an apocalyptic number.

4938904321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4938904321 is a deficient number, since it is larger than the sum of its proper divisors (509643623).

4938904321 is a wasteful number, since it uses less digits than its factorization.

4938904321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9266291.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 4938904321 is about 70277.3386021412. The cubic root of 4938904321 is about 1702.9825751005.

The spelling of 4938904321 in words is "four billion, nine hundred thirty-eight million, nine hundred four thousand, three hundred twenty-one".