2774281436879 has 2 divisors, whose sum is σ = 2774281436880. Its totient is φ = 2774281436878.

The previous prime is 2774281436837. The next prime is 2774281436909. The reversal of 2774281436879 is 9786341824772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2774281436879 - 2⁴⁰ = 1674769809103 is a prime.

It is a super-2 number, since 2×2774281436879² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2774281636879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387140718439 + 1387140718440.

It is an arithmetic number, because the mean of its divisors is an integer number (1387140718440).

Almost surely, 2^{2774281436879} is an apocalyptic number.

2774281436879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2774281436879 is an equidigital number, since it uses as much as digits as its factorization.

2774281436879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 227598336, while the sum is 68.

The spelling of 2774281436879 in words is "two trillion, seven hundred seventy-four billion, two hundred eighty-one million, four hundred thirty-six thousand, eight hundred seventy-nine".