1927439814413 has 2 divisors, whose sum is σ = 1927439814414. Its totient is φ = 1927439814412.

The previous prime is 1927439814371. The next prime is 1927439814431. The reversal of 1927439814413 is 3144189347291.

Together with next prime (1927439814431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716485161609 + 210954652804 = 1310147^2 + 459298^2 .

It is an emirp because it is prime and its reverse (3144189347291) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1927439814413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1927439814463) 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, 963719907206 + 963719907207.

It is an arithmetic number, because the mean of its divisors is an integer number (963719907207).

Almost surely, 2^{1927439814413} is an apocalyptic number.

It is an amenable number.

1927439814413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1927439814413 is an equidigital number, since it uses as much as digits as its factorization.

1927439814413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 56.

The spelling of 1927439814413 in words is "one trillion, nine hundred twenty-seven billion, four hundred thirty-nine million, eight hundred fourteen thousand, four hundred thirteen".