4161236249 has 2 divisors, whose sum is σ = 4161236250. Its totient is φ = 4161236248.

The previous prime is 4161236213. The next prime is 4161236263. The reversal of 4161236249 is 9426321614.

4161236249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3949242649 + 211993600 = 62843^2 + 14560^2 .

It is a cyclic number.

It is not a de Polignac number, because 4161236249 - 2²⁰ = 4160187673 is a prime.

It is not a weakly prime, because it can be changed into another prime (4161236279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080618124 + 2080618125.

It is an arithmetic number, because the mean of its divisors is an integer number (2080618125).

Almost surely, 2^4161236249 is an apocalyptic number.

It is an amenable number.

4161236249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161236249 is an equidigital number, since it uses as much as digits as its factorization.

4161236249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 4161236249 is about 64507.6448880286. The cubic root of 4161236249 is about 1608.4496023426.

The spelling of 4161236249 in words is "four billion, one hundred sixty-one million, two hundred thirty-six thousand, two hundred forty-nine".