4937844321 has 28 divisors (see below), whose sum is σ = 7421929060. Its totient is φ = 3283649280.

The previous prime is 4937844277. The next prime is 4937844337. The reversal of 4937844321 is 1234487394.

It can be written as a sum of positive squares in 2 ways, for example, as 2250458721 + 2687385600 = 47439^2 + 51840^2 .

It is not a de Polignac number, because 4937844321 - 2²⁵ = 4904289889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4937844371) 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 27 ways as a sum of consecutive naturals, for example, 289881 + ... + 306441.

It is an arithmetic number, because the mean of its divisors is an integer number (265068895).

Almost surely, 2^4937844321 is an apocalyptic number.

It is an amenable number.

4937844321 is a deficient number, since it is larger than the sum of its proper divisors (2484084739).

4937844321 is an equidigital number, since it uses as much as digits as its factorization.

4937844321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16988 (or 16973 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 4937844321 is about 70269.7966483467. The cubic root of 4937844321 is about 1702.8607335900.

The spelling of 4937844321 in words is "four billion, nine hundred thirty-seven million, eight hundred forty-four thousand, three hundred twenty-one".