2124636641539 has 2 divisors, whose sum is σ = 2124636641540. Its totient is φ = 2124636641538.

The previous prime is 2124636641441. The next prime is 2124636641581. The reversal of 2124636641539 is 9351466364212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124636641539 is a prime.

It is not a weakly prime, because it can be changed into another prime (2124636642539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062318320769 + 1062318320770.

It is an arithmetic number, because the mean of its divisors is an integer number (1062318320770).

Almost surely, 2^{2124636641539} is an apocalyptic number.

2124636641539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124636641539 is an equidigital number, since it uses as much as digits as its factorization.

2124636641539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 52.

The spelling of 2124636641539 in words is "two trillion, one hundred twenty-four billion, six hundred thirty-six million, six hundred forty-one thousand, five hundred thirty-nine".