2124851867 has 2 divisors, whose sum is σ = 2124851868. Its totient is φ = 2124851866.

The previous prime is 2124851809. The next prime is 2124851921. The reversal of 2124851867 is 7681584212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2124851867 - 2⁸ = 2124851611 is a prime.

It is not a weakly prime, because it can be changed into another prime (2124851167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062425933 + 1062425934.

It is an arithmetic number, because the mean of its divisors is an integer number (1062425934).

Almost surely, 2^2124851867 is an apocalyptic number.

2124851867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124851867 is an equidigital number, since it uses as much as digits as its factorization.

2124851867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 44.

The square root of 2124851867 is about 46096.1155304869. The cubic root of 2124851867 is about 1285.6109207796.

The spelling of 2124851867 in words is "two billion, one hundred twenty-four million, eight hundred fifty-one thousand, eight hundred sixty-seven".