2817874383421 has 2 divisors, whose sum is σ = 2817874383422. Its totient is φ = 2817874383420.

The previous prime is 2817874383361. The next prime is 2817874383427. The reversal of 2817874383421 is 1243834787182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2617762202500 + 200112180921 = 1617950^2 + 447339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2817874383421 - 2²¹ = 2817872286269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2817874383427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1408937191710 + 1408937191711.

It is an arithmetic number, because the mean of its divisors is an integer number (1408937191711).

Almost surely, 2^{2817874383421} is an apocalyptic number.

It is an amenable number.

2817874383421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2817874383421 is an equidigital number, since it uses as much as digits as its factorization.

2817874383421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14450688, while the sum is 58.

The spelling of 2817874383421 in words is "two trillion, eight hundred seventeen billion, eight hundred seventy-four million, three hundred eighty-three thousand, four hundred twenty-one".