1142464511389 has 2 divisors, whose sum is σ = 1142464511390. Its totient is φ = 1142464511388.

The previous prime is 1142464511387. The next prime is 1142464511401. The reversal of 1142464511389 is 9831154642411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 636030175225 + 506434336164 = 797515^2 + 711642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142464511389 - 2¹ = 1142464511387 is a prime.

Together with 1142464511387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142464511387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571232255694 + 571232255695.

It is an arithmetic number, because the mean of its divisors is an integer number (571232255695).

Almost surely, 2^{1142464511389} is an apocalyptic number.

It is an amenable number.

1142464511389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142464511389 is an equidigital number, since it uses as much as digits as its factorization.

1142464511389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 49.

The spelling of 1142464511389 in words is "one trillion, one hundred forty-two billion, four hundred sixty-four million, five hundred eleven thousand, three hundred eighty-nine".