2129894906383 has 2 divisors, whose sum is σ = 2129894906384. Its totient is φ = 2129894906382.

The previous prime is 2129894906323. The next prime is 2129894906389. The reversal of 2129894906383 is 3836094989212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2129894906383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2129894906389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064947453191 + 1064947453192.

It is an arithmetic number, because the mean of its divisors is an integer number (1064947453192).

Almost surely, 2^{2129894906383} is an apocalyptic number.

2129894906383 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129894906383 is an equidigital number, since it uses as much as digits as its factorization.

2129894906383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 2129894906383 in words is "two trillion, one hundred twenty-nine billion, eight hundred ninety-four million, nine hundred six thousand, three hundred eighty-three".