2000124711649 has 2 divisors, whose sum is σ = 2000124711650. Its totient is φ = 2000124711648.

The previous prime is 2000124711623. The next prime is 2000124711653. The reversal of 2000124711649 is 9461174210002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2000122862049 + 1849600 = 1414257^2 + 1360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000124711649 - 2³⁵ = 1965764973281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000124781649) 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, 1000062355824 + 1000062355825.

It is an arithmetic number, because the mean of its divisors is an integer number (1000062355825).

Almost surely, 2^{2000124711649} is an apocalyptic number.

It is an amenable number.

2000124711649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000124711649 is an equidigital number, since it uses as much as digits as its factorization.

2000124711649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 2000124711649 in words is "two trillion, one hundred twenty-four million, seven hundred eleven thousand, six hundred forty-nine".