4048697321 has 2 divisors, whose sum is σ = 4048697322. Its totient is φ = 4048697320.

The previous prime is 4048697299. The next prime is 4048697347. The reversal of 4048697321 is 1237968404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3032044096 + 1016653225 = 55064^2 + 31885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4048697321 is a prime.

It is not a weakly prime, because it can be changed into another prime (4048697621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2024348660 + 2024348661.

It is an arithmetic number, because the mean of its divisors is an integer number (2024348661).

Almost surely, 2^4048697321 is an apocalyptic number.

It is an amenable number.

4048697321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4048697321 is an equidigital number, since it uses as much as digits as its factorization.

4048697321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 4048697321 is about 63629.3746708232. The cubic root of 4048697321 is about 1593.8169338420.

The spelling of 4048697321 in words is "four billion, forty-eight million, six hundred ninety-seven thousand, three hundred twenty-one".