1427184535321 has 2 divisors, whose sum is σ = 1427184535322. Its totient is φ = 1427184535320.

The previous prime is 1427184535297. The next prime is 1427184535429. The reversal of 1427184535321 is 1235354817241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1410367632921 + 16816902400 = 1187589^2 + 129680^2 .

It is an emirp because it is prime and its reverse (1235354817241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1427184535321 - 2¹⁷ = 1427184404249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427184545321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713592267660 + 713592267661.

It is an arithmetic number, because the mean of its divisors is an integer number (713592267661).

Almost surely, 2^{1427184535321} is an apocalyptic number.

It is an amenable number.

1427184535321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427184535321 is an equidigital number, since it uses as much as digits as its factorization.

1427184535321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 46.

The spelling of 1427184535321 in words is "one trillion, four hundred twenty-seven billion, one hundred eighty-four million, five hundred thirty-five thousand, three hundred twenty-one".