4048921502189 has 2 divisors, whose sum is σ = 4048921502190. Its totient is φ = 4048921502188.

The previous prime is 4048921502177. The next prime is 4048921502203. The reversal of 4048921502189 is 9812051298404.

4048921502189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4026804756100 + 22116746089 = 2006690^2 + 148717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4048921502189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4048921502189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4048921502149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2024460751094 + 2024460751095.

It is an arithmetic number, because the mean of its divisors is an integer number (2024460751095).

Almost surely, 2^{4048921502189} is an apocalyptic number.

It is an amenable number.

4048921502189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4048921502189 is an equidigital number, since it uses as much as digits as its factorization.

4048921502189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 4048921502189 in words is "four trillion, forty-eight billion, nine hundred twenty-one million, five hundred two thousand, one hundred eighty-nine".