3698048821 has 2 divisors, whose sum is σ = 3698048822. Its totient is φ = 3698048820.

The previous prime is 3698048803. The next prime is 3698048839. The reversal of 3698048821 is 1288408963.

It is a balanced prime because it is at equal distance from previous prime (3698048803) and next prime (3698048839).

It can be written as a sum of positive squares in only one way, i.e., 3697856100 + 192721 = 60810^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 3698048821 - 2⁵ = 3698048789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3698048881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1849024410 + 1849024411.

It is an arithmetic number, because the mean of its divisors is an integer number (1849024411).

Almost surely, 2^3698048821 is an apocalyptic number.

It is an amenable number.

3698048821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3698048821 is an equidigital number, since it uses as much as digits as its factorization.

3698048821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 3698048821 is about 60811.5845953713. The cubic root of 3698048821 is about 1546.4084475645.

The spelling of 3698048821 in words is "three billion, six hundred ninety-eight million, forty-eight thousand, eight hundred twenty-one".