2124186349 has 2 divisors, whose sum is σ = 2124186350. Its totient is φ = 2124186348.

The previous prime is 2124186341. The next prime is 2124186439. The reversal of 2124186349 is 9436814212.

Together with next prime (2124186439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2039877225 + 84309124 = 45165^2 + 9182^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124186349 - 2³ = 2124186341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124186341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062093174 + 1062093175.

It is an arithmetic number, because the mean of its divisors is an integer number (1062093175).

Almost surely, 2^2124186349 is an apocalyptic number.

It is an amenable number.

2124186349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124186349 is an equidigital number, since it uses as much as digits as its factorization.

2124186349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 2124186349 is about 46088.8961573175. The cubic root of 2124186349 is about 1285.4766860808.

The spelling of 2124186349 in words is "two billion, one hundred twenty-four million, one hundred eighty-six thousand, three hundred forty-nine".