2134242231449 has 2 divisors, whose sum is σ = 2134242231450. Its totient is φ = 2134242231448.

The previous prime is 2134242231419. The next prime is 2134242231521. The reversal of 2134242231449 is 9441322424312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1958580657049 + 175661574400 = 1399493^2 + 419120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134242231449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2134242231419) 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, 1067121115724 + 1067121115725.

It is an arithmetic number, because the mean of its divisors is an integer number (1067121115725).

Almost surely, 2^{2134242231449} is an apocalyptic number.

It is an amenable number.

2134242231449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134242231449 is an equidigital number, since it uses as much as digits as its factorization.

2134242231449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 41.

The spelling of 2134242231449 in words is "two trillion, one hundred thirty-four billion, two hundred forty-two million, two hundred thirty-one thousand, four hundred forty-nine".