2049127747243 has 2 divisors, whose sum is σ = 2049127747244. Its totient is φ = 2049127747242.

The previous prime is 2049127747193. The next prime is 2049127747283. The reversal of 2049127747243 is 3427477219402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2049127747243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2049127747283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024563873621 + 1024563873622.

It is an arithmetic number, because the mean of its divisors is an integer number (1024563873622).

Almost surely, 2^{2049127747243} is an apocalyptic number.

2049127747243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049127747243 is an equidigital number, since it uses as much as digits as its factorization.

2049127747243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 2049127747243 in words is "two trillion, forty-nine billion, one hundred twenty-seven million, seven hundred forty-seven thousand, two hundred forty-three".