2774227436243 has 2 divisors, whose sum is σ = 2774227436244. Its totient is φ = 2774227436242.

The previous prime is 2774227436231. The next prime is 2774227436261. The reversal of 2774227436243 is 3426347224772.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2774227436243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2774221436243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387113718121 + 1387113718122.

It is an arithmetic number, because the mean of its divisors is an integer number (1387113718122).

Almost surely, 2^{2774227436243} is an apocalyptic number.

2774227436243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2774227436243 is an equidigital number, since it uses as much as digits as its factorization.

2774227436243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18966528, while the sum is 53.

The spelling of 2774227436243 in words is "two trillion, seven hundred seventy-four billion, two hundred twenty-seven million, four hundred thirty-six thousand, two hundred forty-three".